Question

1/2×2/3=
6/7×5/8=
9/10×10/11=
13/15×15/17=
14/15×5/42=
13/15×45/26=
15/28×7/30=
35/51×17/15=

Answer 1

1) 2/6
2) 30/56
3) 99/110
4) 195/255
5) 70/630
6) 585/390
7) 105/840
8) 595/765 

Answer 2

1/3*2/3=2/6
6/7*5/8=30/56
9/10*10/11=90/110
13/15*15/17=195/255
14/15*5/42=70/630
13/15*45/26=585/390
15/28*7/30=105/840
35/51*17/15=595/765