Question

помогите решить дробь

Answer 1

3/4-7/12=9/12-7/12=2/12=1/6
3/5-3/10=6/10-3/10=3/10
1/6÷3/10=1/6×10/3=5/9

9/10-7/8=36/40-35/40=1/40
7/8-5/6=21/24-20/24=1/24
1/40÷1/24=1/40×24/1=3/5

2+2 2/5=4 2/5=22/5
3/4+3/7=21/28+12/28=33/28
22/5÷33/28=22/5×28/33=56/15

5/9+3/5+56/15=
=25/45+27/45+168/45=220/45=
=44/9=4 8/9