Question

вычислите
8/18 -8/27
7/16-5/24
2/11-1/12

Answer 1

1) 8/18-8/27=8*3/54-*8*2/54=24/54-16/54=8/54=4/27

2) 7/16-5/24=7*3/48-5*2/48=21/48-10/48=11/48

3) 2/11-1/12=2*12/132-1*11/132=24/132-11/132=13/132