Question

What should be subtracted from 5 4/15 to get 12 3/5

Answer 1

Let x be subtracted from 5 4/15 to get 12 3/5.

x-5×4/15=12×3/5

x-69/15=63/5

x=63/5+69/15

x=189+69/15

x= 258/15

x=17×3/5

x=17 3/5

Hence the required number be 17 3/5