Compare 42/2 and 8/15, Which fraction is greater?

Compare 42/2 and 8/15

1^st number: 21 0/2, 2^nd number: 8/15

42/2 is greater than 8/15

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 2 × 15 = 30,
42/2 = 42 × 15/2 × 15 = 630/30
Likewise, for the 2nd fraction, since 15 × 2 = 30,
8/15 = 8 × 2/15 × 2 = 16/30
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
630/30 > 16/30 or 42/2 > 8/15

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