Compare 63/80 and 4/9, Which fraction is greater?

Compare 63/80 and 4/9

63/80 is greater than 4/9

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 80 × 9 = 720,
63/80 = 63 × 9/80 × 9 = 567/720
Likewise, for the 2nd fraction, since 9 × 80 = 720,
4/9 = 4 × 80/9 × 80 = 320/720
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
567/720 > 320/720 or 63/80 > 4/9

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