Question

Use multiplication to find equivalent fractions 4/5. The key answer says to multiple by 3. Why would I be able to use 2?

Answer 1

See below

Explanation:

You can, you can multiply the numerator and denominator by any constant number you want to get an equivalent fraction.

The answer key most likely says to also multiply by 3, because your question states to use multiplication to find equivalent fractions (more than one) of `4/5`

`(4*2)/(5*2)=8/10`

`(4*3)/(5*3)=12/15`

You can keep going