Write two fractions that are equivalent to 5/8

5/8, 10/16, 15/24, 20/32, 25/40, 30/48, 35/56, 40/64, 45/72, 50/80, and so on ...

10/16 and 15/24

if you multiply the upper number and the bottom number by the same number then it will be a fraction that is equivalent. 

For example:

5 x 2        10
  =  
8 x 2        16

5 x 3      15
=
8 x 3      24