41. Вычитание: 12 31/90 − 8 13/120

Question

31/90 = 124/360, 13/120 = 39/360.

12 31/90 − 8 13/120 = 4 + 85/360 = 4 17/72.

Ответ: 4 17/72.

Accepted Answer

31/90 = 124/360, 13/120 = 39/360.

12 31/90 − 8 13/120 = 4 + 85/360 = 4 17/72.

Ответ: 4 17/72.