Question

3 целых 1/5 + 1 целая 3/5
2 цел.4/9 - 1цел.7/9
1цел.5/7+6/7

Answer 1

3 1/5+1 3/5=4 4/5
2 4/9-1 7/9=1 13/9-1 7/9=5/9
1 5/7+6/7=1 11/7=2 4/7

Answer 2

4цел. 4/5
0цел.6/9
1цел.11/7 = 2цел. 4/7