My recipe calls for 2/3 cups of white flour and 2 1/5 cups of whole wheat flour. How much flour do I need in total?

1 Answer
Dec 14, 2017

2/3+2(1/5)=16/15

Explanation:

2/3+2(1/5)=?

The closest common denominator is 15

(2*5)/(3*5)+2((1*3)/(5*3))=(10)/(15)+(3*2)/(15)=(10+6)/(15)=16/15

Can we simplify it?
16/15=(2*2*2*2)/(5*3)

They don't have anything in common. so no.