Compare 84/42 and 36/40, Which fraction is greater?

Compare 84/42 and 36/40

1^st number: 2 0/42, 2^nd number: 36/40

84/42 is greater than 36/40

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 40 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 42 × 20 = 840,
84/42 = 84 × 20/42 × 20 = 1680/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
36/40 = 36 × 21/40 × 21 = 756/840
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1680/840 > 756/840 or 84/42 > 36/40

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