Compare 30/12 and 8/42, Which fraction is greater?

Compare 30/12 and 8/42

1^st number: 2 6/12, 2^nd number: 8/42

30/12 is greater than 8/42

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
30/12 = 30 × 7/12 × 7 = 210/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
8/42 = 8 × 2/42 × 2 = 16/84
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
210/84 > 16/84 or 30/12 > 8/42

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