Compare 81/6 and 30/9
1st number: 13 3/6, 2nd number: 3 3/9
81/6 is greater than 30/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
81/6 = 81 × 3/6 × 3 = 243/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
30/9 = 30 × 2/9 × 2 = 60/18 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 243/18 > 60/18 or 81/6 > 30/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/6 and 60/9 81/12 and 30/9 81/6 and 30/18 81/6 and 90/9 81/18 and 30/9 81/6 and 30/27 81/30 and 30/9 81/6 and 30/45 81/42 and 30/9 81/6 and 30/63