Compare 27/42 and 1/81
27/42 is greater than 1/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 42 × 27 = 1134,
27/42 = 27 × 27/42 × 27 = 729/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
1/81 = 1 × 14/81 × 14 = 14/1134 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 729/1134 > 14/1134 or 27/42 > 1/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42 and 1/81 27/42 and 2/81 27/84 and 1/81 81/42 and 1/81 27/42 and 3/81 27/42 and 5/81 27/42 and 7/81