Compare 72/25 and 21/9
1st number: 2 22/25, 2nd number: 2 3/9
72/25 is greater than 21/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
72/25 = 72 × 9/25 × 9 = 648/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
21/9 = 21 × 25/9 × 25 = 525/225 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 648/225 > 525/225 or 72/25 > 21/9
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