Compare 80/21 and 50/18, Which fraction is greater?

Compare 80/21 and 50/18

1^st number: 3 17/21, 2^nd number: 2 14/18

80/21 is greater than 50/18

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 21 × 6 = 126,
80/21 = 80 × 6/21 × 6 = 480/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
50/18 = 50 × 7/18 × 7 = 350/126
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
480/126 > 350/126 or 80/21 > 50/18

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