Question

Oblicz(rozpisać trzeba)
1/6 + 2/5 =
8/9 - 5/6 =
1 1/5 + 8 1/7 =
4 7/10 - 2 1/3 =
4 1/5 - 7/10 =
6 1/8 - 2 3/4 =
10 2/3 - 6 7/9 =
9 3/8 - 2 5/6 =

Answer 1

1/6+2/5=5/30+12/30=17/30
8/9-5/6=32/36-30/36=2/36
1 1/5+8 1/7=1 7/35+8 5/35=9 12/35
4 7/10-2 1/3=4 21/30-2 9/30=2 12/30
4 1/5-7/10=4 4/20-14/20=4 10/20
6 1/8-2 3/4=6 2/16-2 12/16=4 10/16
10 2/3-2 5/6=10 4/9-6 7/9=4 3/9
9 3/8-2 5/6=9 9/24-2 20/24=7 11/24