1)
2/15=10/75
4/25=12/75
2)
2/3=20/30
1/2=15/30
2/5=12/30
2 4 10 12 2 4
= =
15 25 75 75 15 25
3 1 2 15 10 8 3 2 2
4 2 5 20 20 20 4 4 5
1 3 1 2 6 3 1 1 1
6 6 4 12 12 12 6 2 4
1)
2/15=10/75
4/25=12/75
2)
2/3=20/30
1/2=15/30
2/5=12/30
2 4 10 12 2 4
= =
15 25 75 75 15 25
3 1 2 15 10 8 3 2 2
= =
4 2 5 20 20 20 4 4 5
1 3 1 2 6 3 1 1 1
= =
6 6 4 12 12 12 6 2 4