Compare 81/6 and 12/20
1st number: 13 3/6, 2nd number: 12/20
81/6 is greater than 12/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
81/6 = 81 × 10/6 × 10 = 810/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
12/20 = 12 × 3/20 × 3 = 36/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 810/60 > 36/60 or 81/6 > 12/20
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 24/20 81/12 and 12/20 81/6 and 12/40 81/6 and 36/20 81/18 and 12/20 81/6 and 12/60 81/6 and 60/20 81/30 and 12/20 81/6 and 84/20 81/42 and 12/20