5-4/9= 3 2/7+2 6/7= 7-4 3/11= 6 7/15+1 8/25= ПОМОГИТЕ!

Question

5-4/9=
3 2/7+2 6/7=
7-4 3/11=
6 7/15+1 8/25=
ПОМОГИТЕ!

Answer 1

5-4/9=4 9/9-4/9=4 5/9
3 2/7+2 6/7=3+2+2/7+6/7=5+8/7=5+1+1/7=6 1/7
7-4 3/11=6 11/11-4 3/11=6-4+11/11-3/11=2+8/11=2 8/11
6 7/15+1 8/25=6+1+35/75+24/75=7+59/75=7 59/75