Compare 42/15 and 30/56, Which fraction is greater?

Compare 42/15 and 30/56

1^st number: 2 12/15, 2^nd number: 30/56

42/15 is greater than 30/56

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 15 × 56 = 840,
42/15 = 42 × 56/15 × 56 = 2352/840
Likewise, for the 2nd fraction, since 56 × 15 = 840,
30/56 = 30 × 15/56 × 15 = 450/840
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
2352/840 > 450/840 or 42/15 > 30/56

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