Compare 2/15 and 1/81
2/15 is greater than 1/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 15 × 27 = 405,
2/15 = 2 × 27/15 × 27 = 54/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
1/81 = 1 × 5/81 × 5 = 5/405 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/405 > 5/405 or 2/15 > 1/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15 and 1/81 2/15 and 2/81 2/30 and 1/81 6/15 and 1/81 2/15 and 3/81 2/45 and 1/81 10/15 and 1/81 2/15 and 5/81 2/75 and 1/81 14/15 and 1/81 2/15 and 7/81