Compare 28/21 and 75/42, Which fraction is greater?

Compare 28/21 and 75/42

1^st number: 1 7/21, 2^nd number: 1 33/42

28/21 is smaller than 75/42

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 21 × 2 = 42,
28/21 = 28 × 2/21 × 2 = 56/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
75/42 = 75 × 1/42 × 1 = 75/42
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
56/42 < 75/42 or 28/21 < 75/42

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