Question

Вычислите: а) 2 1/4 + 1 5/12 =
б) 2 1/15- 1 2/5=

Answer 1

2 1/4 + 1 5/12 = 9/4+17/12=27/12+17/12=44/12= 3 8/12= = 3 2/3 б) 2 1/15- 1 2/5= 31/15 - 7/5 = 31/15 - 21/15 = 10/15 = 2/3

Answer 2

смотри решение во вложении