Compare 20/42 and 42/9, Which fraction is greater?

Compare 20/42 and 42/9

1^st number: 20/42, 2^nd number: 4 6/9

20/42 is smaller than 42/9

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 42 × 3 = 126,
20/42 = 20 × 3/42 × 3 = 60/126
Likewise, for the 2nd fraction, since 9 × 14 = 126,
42/9 = 42 × 14/9 × 14 = 588/126
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
60/126 < 588/126 or 20/42 < 42/9

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