Compare 30/28 and 40/42, Which fraction is greater?

Compare 30/28 and 40/42

1^st number: 1 2/28, 2^nd number: 40/42

30/28 is greater than 40/42

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 28 × 3 = 84,
30/28 = 30 × 3/28 × 3 = 90/84
Likewise, for the 2nd fraction, since 42 × 2 = 84,
40/42 = 40 × 2/42 × 2 = 80/84
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
90/84 > 80/84 or 30/28 > 40/42

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