20/35 и 24/40 = 4/7 и 6/10 = 40/70 и 42/70 ; 40/70 < 42/70
20/35 < 24/40
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14/51 и 36/102 = 28/102 и 36/102; 28/102 < 36/102
14/51 < 36/102
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7/26 и 42/169 = 0,269 и 0,249; 0,269 > 0, 249
7/26 > 42/169
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3/48 и 16/36 = 1/16 и 4/9 = 9/144 и 64/144; 9/144 < 64/144
3/48 < 16/36