Compare 63/15 and 45/42, Which fraction is greater?

Compare 63/15 and 45/42

1^st number: 4 3/15, 2^nd number: 1 3/42

63/15 is greater than 45/42

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 15 × 14 = 210,
63/15 = 63 × 14/15 × 14 = 882/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
45/42 = 45 × 5/42 × 5 = 225/210
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
882/210 > 225/210 or 63/15 > 45/42

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