Compare 20/12 and 56/18
1st number: 1 8/12, 2nd number: 3 2/18
20/12 is smaller than 56/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
20/12 = 20 × 3/12 × 3 = 60/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
56/18 = 56 × 2/18 × 2 = 112/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/36 < 112/36 or 20/12 < 56/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12 and 56/18 20/24 and 56/18 20/12 and 56/36 60/12 and 56/18 20/36 and 56/18 20/12 and 56/54 20/60 and 56/18 20/12 and 56/90 20/84 and 56/18