А)2/15 и 3/16 2*16/15*16 и 15*3/15*16 32/240 и 30/240 Б)3/10 и 4/17 17*3/10*17 и 4*10/17*10 51/170 и 40/170 В)9/3 и 4/11 3 и 4/11 33/11 и 4/11 Г)2/9 и 3/8 2*8/9*8 и 3*9/8*9 16/72 и 27/72 Д)2/5 и 3/4 2*4/5*4 и 3*5/4*5 8/20 и 15/20 Е)6/7 и 1/3 6*3/7*3 и 1*7/3*7 18/21 и 7/21 Ж)2/15 и 3/10 2*10/15*10 и 3*15/10*15 20/150 и 45/120 З)3/4 и 9/25 3*25/4*25 и 9*4/25*4 75/100 и 36/100
2*16/15*16 и 15*3/15*16
32/240 и 30/240
Б)3/10 и 4/17
17*3/10*17 и 4*10/17*10
51/170 и 40/170
В)9/3 и 4/11
3 и 4/11
33/11 и 4/11
Г)2/9 и 3/8
2*8/9*8 и 3*9/8*9
16/72 и 27/72
Д)2/5 и 3/4
2*4/5*4 и 3*5/4*5
8/20 и 15/20
Е)6/7 и 1/3
6*3/7*3 и 1*7/3*7
18/21 и 7/21
Ж)2/15 и 3/10
2*10/15*10 и 3*15/10*15
20/150 и 45/120
З)3/4 и 9/25
3*25/4*25 и 9*4/25*4
75/100 и 36/100