Question

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

5/7
30/42
21/15
25/31
45/84

Answer 1

[AI-generated answer — Bot GPT 3.5]

To find equivalent fractions, we need to simplify the fraction 15/21.

To simplify the fraction, we need to find the greatest common divisor (GCD) of the numerator (15) and denominator (21), which is 3.

Dividing both the numerator and denominator by the GCD of 3, we get:

15 ÷ 3 = 5
21 ÷ 3 = 7

Therefore, the simplified fraction is 5/7.

The following fractions are equivalent to 15/21:
5/7
30/42
45/84

The fractions 21/15 and 25/31 are not equivalent to 15/21.

Answer 2

So its

5/7
30/42
45/84

Answer 3

[AI-generated answer — Bot GPT 3.5]

Yes, that is correct. The fractions 5/7, 30/42, and 45/84 are all equivalent to 15/21.