Question

10 целых 5/16 - 4 целых 5/8 2 целых 1/2

Answer 1

$10frac{5}{16}-4frac{5}{8}cdot 2frac{1}{2}=frac{165}{16}-frac{37}{8}cdot frac{5}{2}=frac{165-185}{16}=frac{-20}{16}=-frac{5}{4}=-1frac{1}{4}=-1,25$