Compare 7/30 and 81/12
1st number: 7/30, 2nd number: 6 9/12
7/30 is smaller than 81/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
7/30 = 7 × 2/30 × 2 = 14/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
81/12 = 81 × 5/12 × 5 = 405/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 14/60 < 405/60 or 7/30 < 81/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30 and 81/12 7/60 and 81/12 7/30 and 81/24 21/30 and 81/12 7/90 and 81/12 7/30 and 81/36 35/30 and 81/12 7/30 and 81/60 49/30 and 81/12 7/30 and 81/84