Compare 4/7 and 15/81
4/7 is greater than 15/81
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,
4/7 = 4 × 81/7 × 81 = 324/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
15/81 = 15 × 7/81 × 7 = 105/567 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 324/567 > 105/567 or 4/7 > 15/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7 and 15/81 4/7 and 30/81 4/14 and 15/81 12/7 and 15/81 4/7 and 45/81 4/21 and 15/81 20/7 and 15/81 4/7 and 75/81 4/35 and 15/81 28/7 and 15/81 4/49 and 15/81