Question

13 целых 3/20 + 2 целых 3/20 -4 целых 9/20

Answer 1

$1)13 frac{3}{20} +2 frac{3}{20} =15 frac{6}{20} \ 2)15 frac{6}{20} -4 frac{9}{20} =14 frac{26}{20} -4 frac{9}{20} =10 frac{17}{20}$