Вычислите дроби. 2/5+3/10, 2/9+2/3, 3/4+5/8, 7/8+1/2, 1/2+1/4, 3/10+2/5, 1/6+2/3, 3/5+1/20

Question

Вычислите дроби.
2/5+3/10, 2/9+2/3, 3/4+5/8, 7/8+1/2, 1/2+1/4, 3/10+2/5, 1/6+2/3, 3/5+1/20

Answer 1

7/10, 8/9, 1 целая 3/8, 1 целая 3/8, 3/4, 7/10, 5/6, 13/20