Compare 42/45 and 7/15, Which fraction is greater?

Compare 42/45 and 7/15

42/45 is greater than 7/15

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 is 45

Next, find the equivalent fraction of both fractional numbers with denominator 45
For the 1st fraction, since 45 × 1 = 45,
42/45 = 42 × 1/45 × 1 = 42/45
Likewise, for the 2nd fraction, since 15 × 3 = 45,
7/15 = 7 × 3/15 × 3 = 21/45
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
42/45 > 21/45 or 42/45 > 7/15

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