Compare 9/30 and 81/7
1st number: 9/30, 2nd number: 11 4/7
9/30 is smaller than 81/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
9/30 = 9 × 7/30 × 7 = 63/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
81/7 = 81 × 30/7 × 30 = 2430/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 63/210 < 2430/210 or 9/30 < 81/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30 and 81/7 9/60 and 81/7 9/30 and 81/14 27/30 and 81/7 9/90 and 81/7 9/30 and 81/21 45/30 and 81/7 9/30 and 81/35 63/30 and 81/7 9/30 and 81/49