Compare 18/12 and 21/25
1st number: 1 6/12, 2nd number: 21/25
18/12 is greater than 21/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
18/12 = 18 × 25/12 × 25 = 450/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
21/25 = 21 × 12/25 × 12 = 252/300 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 450/300 > 252/300 or 18/12 > 21/25
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