Compare 42/60 and 21/9, Which fraction is greater?

Compare 42/60 and 21/9

1^st number: 42/60, 2^nd number: 2 3/9

42/60 is smaller than 21/9

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 60 × 3 = 180,
42/60 = 42 × 3/60 × 3 = 126/180
Likewise, for the 2nd fraction, since 9 × 20 = 180,
21/9 = 21 × 20/9 × 20 = 420/180
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
126/180 < 420/180 or 42/60 < 21/9

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