Compare 80/54 and 6/21, Which fraction is greater?

Compare 80/54 and 6/21

1^st number: 1 26/54, 2^nd number: 6/21

80/54 is greater than 6/21

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
80/54 = 80 × 7/54 × 7 = 560/378
Likewise, for the 2nd fraction, since 21 × 18 = 378,
6/21 = 6 × 18/21 × 18 = 108/378
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
560/378 > 108/378 or 80/54 > 6/21

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