1) 12/25 = 24/501/2 = 25/509/10 = 45/507/10 = 35/50
2) 1/2 = 35/705/14 = 25/70
3) 2/15 = 12/903/10 = 27/904/5 = 72/907/15 = 42/90
1) 12/25 = 24/50
1/2 = 25/50
9/10 = 45/50
7/10 = 35/50
2) 1/2 = 35/70
5/14 = 25/70
3) 2/15 = 12/90
3/10 = 27/90
4/5 = 72/90
7/15 = 42/90