Compare 27/36 and 3/42
27/36 is greater than 3/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
27/36 = 27 × 7/36 × 7 = 189/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
3/42 = 3 × 6/42 × 6 = 18/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 189/252 > 18/252 or 27/36 > 3/42
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