Compare 3/28 and 40/12, Which fraction is greater?

Compare 3/28 and 40/12

1^st number: 3/28, 2^nd number: 3 4/12

3/28 is smaller than 40/12

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 28 × 3 = 84,
3/28 = 3 × 3/28 × 3 = 9/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
40/12 = 40 × 7/12 × 7 = 280/84
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
9/84 < 280/84 or 3/28 < 40/12

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