Compare 1/81 and 9/42
1/81 is smaller than 9/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 42 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 81 × 14 = 1134,
1/81 = 1 × 14/81 × 14 = 14/1134 - Likewise, for the 2nd fraction, since 42 × 27 = 1134,
9/42 = 9 × 27/42 × 27 = 243/1134 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 14/1134 < 243/1134 or 1/81 < 9/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/81 and 9/42 1/81 and 18/42 1/81 and 9/84 3/81 and 9/42 1/81 and 27/42 5/81 and 9/42 1/81 and 45/42 7/81 and 9/42 1/81 and 63/42