Compare 15/25 and 27/42
15/25 is smaller than 27/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
15/25 = 15 × 42/25 × 42 = 630/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
27/42 = 27 × 25/42 × 25 = 675/1050 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 630/1050 < 675/1050 or 15/25 < 27/42
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