Question

Вычислите сумму (номер 991 и 993)
5 3/5+1 3/5
3 2/7+2 6/7
4 3/8+7 7/8
9 5/9+11 7/9
1 11/17+2 15/17
4 13/27+ 8 17/27

Answer 1

5 3/5+1 3/5=6 6/5=7 1/5
3 2/7+2 6/7=5 8/7=6 1/7
4 3/8+7 7/8=11 10/8=12 2/8=12 1/4
9 5/9+11 7/9=20 12/9=21 3/9=21 1/3
1 11/17+2 15/17=3 26/17=4 9/17
4 13/27+8 17/27=12 30/27=13 3/27=13 1/9