Compare 9/27 and 56/80, Which fraction is greater?

Compare 9/27 and 56/80

9/27 is smaller than 56/80

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 27 × 80 = 2160,
9/27 = 9 × 80/27 × 80 = 720/2160
Likewise, for the 2nd fraction, since 80 × 27 = 2160,
56/80 = 56 × 27/80 × 27 = 1512/2160
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
720/2160 < 1512/2160 or 9/27 < 56/80

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