Compare 12/70 and 81/49, Which fraction is greater?

Compare 12/70 and 81/49

1^st number: 12/70, 2^nd number: 1 32/49

12/70 is smaller than 81/49

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 70 × 7 = 490,
12/70 = 12 × 7/70 × 7 = 84/490
Likewise, for the 2nd fraction, since 49 × 10 = 490,
81/49 = 81 × 10/49 × 10 = 810/490
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
84/490 < 810/490 or 12/70 < 81/49

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