Posted by Donald Crentsil on .
Aki spent 3/8 of his pocket money on food, 2/5 of the rest on transport and returned the remaining amount to his mother. What fraction of the money did he give back to his mother?

math 
Damon,
3/8 = 15/40
2/5 = 16/40
sum = 31/40
1  sum = 9/40