Compare 6/81 and 25/72
6/81 is smaller than 25/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 72 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
6/81 = 6 × 8/81 × 8 = 48/648 - Likewise, for the 2nd fraction, since 72 × 9 = 648,
25/72 = 25 × 9/72 × 9 = 225/648 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 48/648 < 225/648 or 6/81 < 25/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/81 and 25/72 6/81 and 50/72 18/81 and 25/72 6/81 and 75/72 30/81 and 25/72 42/81 and 25/72