Question

Oblicz
1 1/6+ 2/7
3 5/6 + 2 3/4
4 2/3 - 2 2/5
7 1/8 - 2 3/4

Answer 1

1 1/6+2/7=49/42+12/42=61/42=1 19/42
3 5/6 + 2 3/4=46/12+33/12=79/12=6 7/12
4 2/3 - 2 2/5=70/15-36/15=34/15=2 4/15
7 1/8 - 2 3/4=57/8-22/8=35/8=4 3/8

Answer 2

1 1/6+2/7= 1 7/42+ 12/42= 1 19/42
3 5/6+ 2 3/4= 3 20/24+ 2 18/24= 5 38/24= 6 14/28= 6 1/2
4 2/3+ 2 2/5= 4 10/15+ 2 6/15= 6 16/15= 7 1/15
7 1/8+ 2 3/4= 7 1/8+ 2 6/8= 9 7/8