Compare 81/35 and 12/20
1st number: 2 11/35, 2nd number: 12/20
81/35 is greater than 12/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
81/35 = 81 × 4/35 × 4 = 324/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
12/20 = 12 × 7/20 × 7 = 84/140 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 324/140 > 84/140 or 81/35 > 12/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/35 and 24/20 81/70 and 12/20 81/35 and 12/40 81/35 and 36/20 81/35 and 12/60 81/35 and 60/20 81/35 and 84/20