Question

jessie colored a poster. She colored 2/5 of the of the poster red. write a fraction that is equivalent to 2/5.

Answer 1

The answer is 4/10.

You have to  multiply the denominator and numerator by 2.
hope this helped

Answer 2

Multiply both parts by the same number of your choosing
For example multiply by 2: 
4/10
Multiply by 3:
6/15
Multiply by 4:
8/20