Compare 90/63 and 49/80, Which fraction is greater?

Compare 90/63 and 49/80

1^st number: 1 27/63, 2^nd number: 49/80

90/63 is greater than 49/80

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040

Next, find the equivalent fraction of both fractional numbers with denominator 5040
For the 1st fraction, since 63 × 80 = 5040,
90/63 = 90 × 80/63 × 80 = 7200/5040
Likewise, for the 2nd fraction, since 80 × 63 = 5040,
49/80 = 49 × 63/80 × 63 = 3087/5040
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
7200/5040 > 3087/5040 or 90/63 > 49/80

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