Compare 12/49 and 90/70, Which fraction is greater?

Compare 12/49 and 90/70

1^st number: 12/49, 2^nd number: 1 20/70

12/49 is smaller than 90/70

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

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 49 × 10 = 490,
12/49 = 12 × 10/49 × 10 = 120/490
Likewise, for the 2nd fraction, since 70 × 7 = 490,
90/70 = 90 × 7/70 × 7 = 630/490
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
120/490 < 630/490 or 12/49 < 90/70

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