Question

1.八分之五加三分之二2.六分之五减九分之四3.四分之三减五分之二4.八分之七减七分之六5.四分之三减八分之五6.五分之

Answer 1

秀出我的样

1、5/8+2/3

=15/24+16/24

=31/24

2、5/6-4/9

=15/18-8/18

=7/18

3、3/4-2/5

=15/20-8/20

=7/20

4、7/8-6/7

=49/56-48/56

=1/56

5、3/4-5/8

=6/8-5/8

=1/8

6、2/5+1/6+3/5

=2/5+3/5+1/6

=1+1/6

=7/6