Compare 81/12 and 20/8
1st number: 6 9/12, 2nd number: 2 4/8
81/12 is greater than 20/8
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
81/12 = 81 × 2/12 × 2 = 162/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
20/8 = 20 × 3/8 × 3 = 60/24 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/24 > 60/24 or 81/12 > 20/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/12 and 40/8 81/24 and 20/8 81/12 and 20/16 81/12 and 60/8 81/36 and 20/8 81/12 and 20/24 81/60 and 20/8 81/12 and 20/40 81/84 and 20/8 81/12 and 20/56