Compare 81/14 and 18/72
1st number: 5 11/14, 2nd number: 18/72
81/14 is greater than 18/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
81/14 = 81 × 36/14 × 36 = 2916/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
18/72 = 18 × 7/72 × 7 = 126/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2916/504 > 126/504 or 81/14 > 18/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/14 and 36/72 81/28 and 18/72 81/14 and 54/72 81/42 and 18/72 81/14 and 90/72 81/70 and 18/72 81/98 and 18/72