Compare 12/56 and 90/80, Which fraction is greater?

Compare 12/56 and 90/80

1^st number: 12/56, 2^nd number: 1 10/80

12/56 is smaller than 90/80

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 56 × 10 = 560,
12/56 = 12 × 10/56 × 10 = 120/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
90/80 = 90 × 7/80 × 7 = 630/560
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
120/560 < 630/560 or 12/56 < 90/80

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