1) 1/5 · 10/5 = 2/5 2) 2/6 · 9/6 = 1/2 3) 2/13 · 14/13 = 28/169 4) 3/7 · 4/7 = 12/49 5) 12/21 · 4/21 = 16/147 6) 6/4 · 3/4 = 9/8 7) 7/25 · 1/25 = 7/625 8) 25/55 · 46/55 = 46/121 9) 7/120 · 40/120 = 7/360 10) 90/120 · 45/120 = 9/32
1) 1/5 · 10/5 = 2/5
2) 2/6 · 9/6 = 1/2
3) 2/13 · 14/13 = 28/169
4) 3/7 · 4/7 = 12/49
5) 12/21 · 4/21 = 16/147
6) 6/4 · 3/4 = 9/8
7) 7/25 · 1/25 = 7/625
8) 25/55 · 46/55 = 46/121
9) 7/120 · 40/120 = 7/360
10) 90/120 · 45/120 = 9/32