Compare 30/4 and 42/15, Which fraction is greater?

Compare 30/4 and 42/15

1^st number: 7 2/4, 2^nd number: 2 12/15

30/4 is greater than 42/15

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 4 × 15 = 60,
30/4 = 30 × 15/4 × 15 = 450/60
Likewise, for the 2nd fraction, since 15 × 4 = 60,
42/15 = 42 × 4/15 × 4 = 168/60
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
450/60 > 168/60 or 30/4 > 42/15

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