Question

выполните сложение смешанных чисел с разными знаменателями
3 примера⊙﹏⊙

Answer 1

1/2 + 5/6 = 1*3/2*3 + 5/6 = 3/6 + 5/6 = 8/6 = 4/3 = 1 1/3

7/8 + 6/10 = 7*10/8*10 + 6*8/10*8 = 70/80 + 48/80 = 118/80 = 59/40 = 1 19/40

19/35 + 3/5 + 6/7 = 19/35 + 3*7/5*7 + 6*5/7*5 = 19/35 + 21/35 + 30/35 = 70/35 = 2