Question

if Mr. Smith uses 1/3 of his salary for rent and uses 2/5 of his salary for food how much of his salary does he use for other usage?​

Answer 1

4/15

Explanation:

first you have to find a common denominator of 3 and 5 which is 15.

so you will multiply 1/3 by 5 and get 5/15

then multiply 2/5 by 3 and get 6/15

Now add 6/15 and 5/15 together and get 11/15.

then subtract 15-11 and get 4.

so 4/15 should be your answer. and it is in its simplest form.