Compare 45/3 and 63/42, Which fraction is greater?

Compare 45/3 and 63/42

1^st number: 15 0/3, 2^nd number: 1 21/42

45/3 is greater than 63/42

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 3 × 14 = 42,
45/3 = 45 × 14/3 × 14 = 630/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
630/42 > 63/42 or 45/3 > 63/42

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