Compare 42/12 and 84/72, Which fraction is greater?

Compare 42/12 and 84/72

1^st number: 3 6/12, 2^nd number: 1 12/72

42/12 is greater than 84/72

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 12 × 6 = 72,
42/12 = 42 × 6/12 × 6 = 252/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
252/72 > 84/72 or 42/12 > 84/72

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