Compare 12/25 and 21/27
12/25 is smaller than 21/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 27 is 675
Next, find the equivalent fraction of both fractional numbers with denominator 675 - For the 1st fraction, since 25 × 27 = 675,
12/25 = 12 × 27/25 × 27 = 324/675 - Likewise, for the 2nd fraction, since 27 × 25 = 675,
21/27 = 21 × 25/27 × 25 = 525/675 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 324/675 < 525/675 or 12/25 < 21/27
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