Compare 49/42 and 30/18, Which fraction is greater?

Compare 49/42 and 30/18

1^st number: 1 7/42, 2^nd number: 1 12/18

49/42 is smaller than 30/18

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 42 × 3 = 126,
49/42 = 49 × 3/42 × 3 = 147/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
30/18 = 30 × 7/18 × 7 = 210/126
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
147/126 < 210/126 or 49/42 < 30/18

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