Compare 2/7 and 25/81
2/7 is smaller than 25/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
2/7 = 2 × 81/7 × 81 = 162/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
25/81 = 25 × 7/81 × 7 = 175/567 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/567 < 175/567 or 2/7 < 25/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7 and 25/81 2/7 and 50/81 2/14 and 25/81 6/7 and 25/81 2/7 and 75/81 2/21 and 25/81 10/7 and 25/81 2/35 and 25/81 14/7 and 25/81 2/49 and 25/81