Compare 21/9 and 24/80, Which fraction is greater?

Compare 21/9 and 24/80

1^st number: 2 3/9, 2^nd number: 24/80

21/9 is greater than 24/80

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

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 9 × 80 = 720,
21/9 = 21 × 80/9 × 80 = 1680/720
Likewise, for the 2nd fraction, since 80 × 9 = 720,
24/80 = 24 × 9/80 × 9 = 216/720
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1680/720 > 216/720 or 21/9 > 24/80

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