Compare 2/81 and 3/9
2/81 is smaller than 3/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
2/81 = 2 × 1/81 × 1 = 2/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
3/9 = 3 × 9/9 × 9 = 27/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2/81 < 27/81 or 2/81 < 3/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/81 and 3/9 2/81 and 6/9 2/81 and 3/18 6/81 and 3/9 2/81 and 3/27 10/81 and 3/9 2/81 and 15/9 2/81 and 3/45 14/81 and 3/9 2/81 and 21/9 2/81 and 3/63