Compare 25/18 and 21/27
1st number: 1 7/18, 2nd number: 21/27
25/18 is greater than 21/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
25/18 = 25 × 3/18 × 3 = 75/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
21/27 = 21 × 2/27 × 2 = 42/54 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 75/54 > 42/54 or 25/18 > 21/27
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