5/15 + 6/15 = 11/15
1 - 11/15 = 4/15
4/15 * (1 -1/4) = 3/15 = 1/5
last week rowena spent 1/3 of her weekly allowance on snacks, 2/5 on school materials and 1/4 of the remainder, on transportation. if she save the rest of her allowance , what fraction of her allowance did she save?
2 answers
1 fifth