Compare 90/50 and 12/84, Which fraction is greater?

Compare 90/50 and 12/84

1^st number: 1 40/50, 2^nd number: 12/84

90/50 is greater than 12/84

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 84 is 2100

Next, find the equivalent fraction of both fractional numbers with denominator 2100
For the 1st fraction, since 50 × 42 = 2100,
90/50 = 90 × 42/50 × 42 = 3780/2100
Likewise, for the 2nd fraction, since 84 × 25 = 2100,
12/84 = 12 × 25/84 × 25 = 300/2100
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
3780/2100 > 300/2100 or 90/50 > 12/84

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