Question

найдите разность смешанных чисел :
4 целых 1/6 - 2 целые 4 / 21

Answer 1

4 1/6 - 2 4/21 = (4 - 2) + (1/6 - 4/21) =
= 2 + (7/42 - 8/42) = 2 - 1/42 =
= 1 42/42 - 1/42 = 1 41/42