Verification of Equivalent Fractions | Exploring Equivalent Fractions (2024)

We will discuss here about verification of equivalentfractions. To verify that two fractions are equivalent or not, we multiply thenumerator of one fraction by the denominator of the other fraction. Similarly,we multiply the denominator of one fraction by the numerator of the otherfraction. If the products obtained, are the same, the fractions are equivalent.

Consider the following examples.

1. Test whether 4/9 and 8/18 are equivalent or not.

Verification of Equivalent Fractions | Exploring Equivalent Fractions (1)

Here, 4 × 18 = 72

(The product of the numerator of the first fraction and the denominator of the other)

9 × 8 = 72

(The product of the denominator of the first fraction and the numerator of the other)

Thus, 4/9 and 8/18 are equivalent fractions.

We can also verify equivalent fractions by reducing them to their lowest terms.

2.Verifying equivalent fractions:

Consider two fractions \(\frac{3}{4}\) and \(\frac{9}{12}\).

Find the cross product as shown below.

Verification of Equivalent Fractions | Exploring Equivalent Fractions (2)

3 × 12Multiply the numerator of \(\frac{3}{4}\) by the denominator of \(\frac{9}{12}\)

4 × 9Multiply the denominator of \(\frac{3}{4}\) by the numerator of \(\frac{9}{12}\)

We get 3 ×12 = 4 × 9

36 =36

Hence, thetwo fractions are equivalent if their cross products are equal.

3. Verifyif \(\frac{2}{3}\) and \(\frac{8}{12}\) are equivalent.

Verification of Equivalent Fractions | Exploring Equivalent Fractions (3)

Multiplyingnumbers across fractions. 2 × 12 = 24 and 3 × 8 = 24 both the products areequal. Hence, \(\frac{2}{3}\) and \(\frac{8}{12}\) are equivalent fractions.

4. Verifyif \(\frac{2}{3}\) and \(\frac{4}{5}\) are equivalent.

Multiplyingnumbers across fractions. 2 × 5 = 10 and 3 × 4 = 12 Cross products are notequal. Hence, \(\frac{2}{3}\) and \(\frac{4}{5}\) are not equivalent fractions.

5. Test whether 2/3, 10/15 and 22/33 are equivalent or not.

We express the above fractions to their lowest terms.

2/3 is itself in its lowest terms. (The H.C.F. of 2 and 3 is 1)

10/15 = 10 ÷ 5/15 ÷ 5 = 2/3 and 22/33 = 22 ÷ 11/33 ÷ 11 =2/3

Because 2/3, 10/15 and 22/33 have the same value. So, theyare equivalent fractions.

Related Concept

Fractionof a Whole Numbers

Representationof a Fraction

EquivalentFractions

Propertiesof Equivalent Fractions

Like andUnlike Fractions

Comparisonof Like Fractions

Comparisonof Fractions having the same Numerator

Types ofFractions

Changing Fractions

Conversionof Fractions into Fractions having Same Denominator

Conversionof a Fraction into its Smallest and Simplest Form

Additionof Fractions having the Same Denominator

Subtractionof Fractions having the Same Denominator

Additionand Subtraction of Fractions on the Fraction Number Line

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Verification of Equivalent Fractions | Exploring Equivalent Fractions (2024)

FAQs

Verification of Equivalent Fractions | Exploring Equivalent Fractions? ›

A simple way to look at how to check for equivalent fractions is to do what is called “cross-multiply”, which means multiple the numerator of one fraction by the denominator of the other fraction. Then do the same thing in reverse. Now compare the two answers to see if they are equal.

How do you verify equivalent fractions? ›

To check whether a fraction is equivalent or not, we reduce the fractions to their lowest form. 30 / 54 ÷ 6 / 6 = 5 / 9. ∴ 5 / 9 and 30 / 54 are equivalent fractions as their value is the same irresepective of the numbers in numerator and denominator.

How do you evaluate equivalent fractions? ›

By making the denominators the same, we can evaluate if two fractions are equivalent. For example, find if 2/3 and 6/9 are equivalent. Multiply 2/3 by 3/3 to make the denominator equal to 9. Hence, by making the denominators the same, we can see, 2/3 and 6/9 are equivalent fractions.

How do you review equivalent fractions? ›

Equivalent fractions have different numerators and denominators, but the same value. If you multiply or divide any fraction by a fractional form of 1 (i.e.: 2/2, 3/3, 4/4), the new fraction will be equivalent to the original fraction.

How do you verify equivalent expressions? ›

If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value for the variable. To check whether a more complex expression is equivalent to a simpler expression: Distribute any coefficients: a ( b x ± c ) = a b x ± a c ‍

What is the rule for equivalent fractions? ›

A rule stating that if the numerator and denominator of a fraction are multiplied by the same nonzero number, the result is a fraction that is equivalent to the original fraction.

How to do equivalent fractions step by step? ›

To find the equivalent fractions for any given fraction, multiply the numerator and the denominator by the same number. For example, to find an equivalent fraction of 3/4, multiply the numerator 3 and the denominator 4 by the same number, say, 2. Thus, 6/8 is an equivalent fraction of 3/4.

How do you teach equivalent fractions in a fun way? ›

Dominoes are great for (one) naming fractions and (two) finding equivalent fractions. Students must first determine which side is the numerator and which side is the denominator (bigger). Then, they can find other dominoes that are equivalent fractions to the first, with bigger and smaller numbers!

How can you check to see if two fractions are equivalent? ›

Short Answer

The two fractions are equivalent if both of their numerator and denominator are equal.

Which method can be used to show that and are equivalent fractions? ›

To find equivalent fractions, we multiply the numerator and the denominator by the same number, so we need to multiply the denominator of 7 by a number that will give us 21. Since 3 multiplied by 7 gives us 21, we can find an equivalent fraction by multiplying both the numerator and denominator by 3.

How do you verify whether the following pairs are equivalent fractions? ›

How to verify equivalent fractions? If two fractions are equivalent, then the product of one's numerator and the other's denominator is equal to the product of one's denominator and the other numerator. 1 × 12 = 3 × 4. So, 1/3 and 4/12 are equivalent fractions.

How do you recognize valid fraction comparisons? ›

Recognize that comparisons are valid only when the two fractions refer to the same whole. Record the results of comparisons with symbols >,=, or <, and justify the conclusions, e.g., by using a visual fraction model.

What is the process to verify that two ratios are equivalent? ›

How to Find Equivalent Ratios?
  1. Step 1: Write both the ratios in fractional form (numerator over denominator).
  2. Step 2: Do the cross multiplication. Multiply 10 by 24 and 8 by 30.
  3. Step 3: If both products are equal, it means that they are equivalent ratios. Here 10 × 24 = 8 × 30 = 240.

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