Compare 10/80 and 56/84, Which fraction is greater?

Compare 10/80 and 56/84

10/80 is smaller than 56/84

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 84 is 1680

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 80 × 21 = 1680,
10/80 = 10 × 21/80 × 21 = 210/1680
Likewise, for the 2nd fraction, since 84 × 20 = 1680,
56/84 = 56 × 20/84 × 20 = 1120/1680
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
210/1680 < 1120/1680 or 10/80 < 56/84

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