Compare 56/80 and 50/42, Which fraction is greater?

Compare 56/80 and 50/42

1^st number: 56/80, 2^nd number: 1 8/42

56/80 is smaller than 50/42

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 42 is 1680

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 80 × 21 = 1680,
56/80 = 56 × 21/80 × 21 = 1176/1680
Likewise, for the 2nd fraction, since 42 × 40 = 1680,
50/42 = 50 × 40/42 × 40 = 2000/1680
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1176/1680 < 2000/1680 or 56/80 < 50/42

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