Question

What is 11/15 - 3/20

Answer 1

the answer is 0.5833

Answer 2

11/15 - 3/20
= 11/(3*5) - 3/(4*5)
= (11*4)/(3*4*5) - (3*3)/(3*4*5)
= (44 - 9)/(3*4*5)
= 35/(3*4*5)
= (7*5)/(3*4*5)
=7/12