IXL | Identify equivalent ratios

Are the ratios

7:14

and

1:2

equivalent?

yes

ref_doc_title.

Learn with an example

question

Are the ratios

18:12

and

6:4

equivalent?

yes

key idea

Equivalent ratios have the same value.

To determine whether two ratios are equivalent, write them as fractions. If the fractions are equal, the ratios are equivalent.

solution

First, write the ratios as fractions.

The first number is the numerator. The second number is the denominator.

18:12

6:4

You can compare the fractions using a common denominator.

The denominators are 12 and 4. You can use 12 as the common denominator since 12 is a multiple of 4.

Write

with a denominator of 12.

So,

and

are equal.

This means that the ratios

18:12

and

6:4

are

equivalent.

Looking for more? Try these:

Lesson: Ratios

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Teacher tools

Work it out

Not feeling ready yet? These can help:

J.2Equivalent fractions

S.2Write a ratio using a colon

Lesson: Ratios

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