Compare 81/7 and 2/30
1st number: 11 4/7, 2nd number: 2/30
81/7 is greater than 2/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
81/7 = 81 × 30/7 × 30 = 2430/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
2/30 = 2 × 7/30 × 7 = 14/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2430/210 > 14/210 or 81/7 > 2/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/7 and 4/30 81/14 and 2/30 81/7 and 2/60 81/7 and 6/30 81/21 and 2/30 81/7 and 2/90 81/7 and 10/30 81/35 and 2/30 81/7 and 14/30 81/49 and 2/30