Compare 49/81 and 10/72
49/81 is greater than 10/72
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,
49/81 = 49 × 8/81 × 8 = 392/648 - Likewise, for the 2nd fraction, since 72 × 9 = 648,
10/72 = 10 × 9/72 × 9 = 90/648 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 392/648 > 90/648 or 49/81 > 10/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/81 and 10/72 49/81 and 20/72 49/81 and 30/72 49/81 and 50/72 49/81 and 70/72