Compare 8/48 and 42/21, Which fraction is greater?

Compare 8/48 and 42/21

1^st number: 8/48, 2^nd number: 2 0/21

8/48 is smaller than 42/21

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 48 × 7 = 336,
8/48 = 8 × 7/48 × 7 = 56/336
Likewise, for the 2nd fraction, since 21 × 16 = 336,
42/21 = 42 × 16/21 × 16 = 672/336
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
56/336 < 672/336 or 8/48 < 42/21

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