Compare 56/84 and 80/5, Which fraction is greater?

Compare 56/84 and 80/5

1^st number: 56/84, 2^nd number: 16 0/5

56/84 is smaller than 80/5

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
56/84 = 56 × 5/84 × 5 = 280/420
Likewise, for the 2nd fraction, since 5 × 84 = 420,
80/5 = 80 × 84/5 × 84 = 6720/420
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
280/420 < 6720/420 or 56/84 < 80/5

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