Compare 21/24 and 81/25
1st number: 21/24, 2nd number: 3 6/25
21/24 is smaller than 81/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 25 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 24 × 25 = 600,
21/24 = 21 × 25/24 × 25 = 525/600 - Likewise, for the 2nd fraction, since 25 × 24 = 600,
81/25 = 81 × 24/25 × 24 = 1944/600 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 525/600 < 1944/600 or 21/24 < 81/25
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