Compare 40/5 and 27/21, Which fraction is greater?

Compare 40/5 and 27/21

1^st number: 8 0/5, 2^nd number: 1 6/21

40/5 is greater than 27/21

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 5 × 21 = 105,
40/5 = 40 × 21/5 × 21 = 840/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
27/21 = 27 × 5/21 × 5 = 135/105
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
840/105 > 135/105 or 40/5 > 27/21

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