Compare 8/18 and 81/16
1st number: 8/18, 2nd number: 5 1/16
8/18 is smaller than 81/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
8/18 = 8 × 8/18 × 8 = 64/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
81/16 = 81 × 9/16 × 9 = 729/144 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 64/144 < 729/144 or 8/18 < 81/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18 and 81/16 8/36 and 81/16 8/18 and 81/32 24/18 and 81/16 8/54 and 81/16 8/18 and 81/48 40/18 and 81/16 8/90 and 81/16 8/18 and 81/80 56/18 and 81/16