Compare 81/18 and 8/56
1st number: 4 9/18, 2nd number: 8/56
81/18 is greater than 8/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
81/18 = 81 × 28/18 × 28 = 2268/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
8/56 = 8 × 9/56 × 9 = 72/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2268/504 > 72/504 or 81/18 > 8/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/18 and 16/56 81/36 and 8/56 81/18 and 24/56 81/54 and 8/56 81/18 and 40/56 81/90 and 8/56