Question

Which of the following fractions are equivalent to 15/21? Select all that apply.

Answer 1

A and B

Explanation:

• There is an infinity number of equivalent fractions to 15/21.

To find an equivalent fraction to 15/21 , or to any other fraction, you just need to multiply (or divide, if the fraction is not yet reduced), both the numerator and the denominator of the given fraction by any non-zero natural number. For example:

• By dividing the original fraction by 3, we get:

`(15/3)/(21/3) =(5)/(7)`

• By multiplying the original fraction by 2, we get:

`(15*2)/(21*2) =(30)/(42)`

• Here is a list of the equivalent fractions of 15/21

5/7, 10/14, 15/21, 20/28, 25/35, 30/42, 35/49, 40/56, 45/63, 50/70, 55/77, 60/84, 65/91, 70/98, 75/105, 80/112, 85/119, 90/126, 95/133, 100/140 ...

Answer:

Therefore, the answer is A and B.

Answer 2

A. 5/7
B. 30/42

Explanation:

I just used an equivalent fractions calculator.
Please correct me if I'm wrong :)