Compare 18/24 and 21/25
18/24 is smaller than 21/25
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,
18/24 = 18 × 25/24 × 25 = 450/600 - Likewise, for the 2nd fraction, since 25 × 24 = 600,
21/25 = 21 × 24/25 × 24 = 504/600 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 450/600 < 504/600 or 18/24 < 21/25
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