Question

Выполните действия: 3/28+15/28-11/28
3,7/23-1,4/23+5,9/23
1-17/20
5,3/8-3,5/8

Answer 1

 3/28+15/28-11/28 =18/28 -11/28 = 7/28=1/4
3,7/23-1,4/23+5,9/23=2 3/23 + 5 9/23 = 7 12/23
1-17/20=20/20 - 17/20= 3/20
5,3/8-3,5/8=4 11/8- 3 5/8 = 1 6/8= 1 3/4