Question

Ruth makes 1 fruit smoothie. she drinks 1/3 of it. what fraction of the fruit smoothie is left

Answer 1

We have to subtract 1/3 to 1, as follows:

$1-\frac{1}{3}=\frac{1\cdot3-1}{3}=\frac{2}{3}$

2/3 of the fruit smoothie is left​