Question

Выполните действия1) 6/7-1/4+5/14 2)7/10+9/14-3/35 3)11/12-1/9+1/4

Answer 1

1) 6/7-1/4+5/14=24/28-7/28+10/28=17/28+10/28=27/28
2) 7/10+9/14-3/35=49/70+45/70-6/70=94/70-6/70=88/70=1 18/70
3) 11/12-1/9+1/4=33/36-4/36+9/36=29/36+9/36=38/36=1 2/36