Compare 20/18 and 75/12
1st number: 1 2/18, 2nd number: 6 3/12
20/18 is smaller than 75/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
20/18 = 20 × 2/18 × 2 = 40/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
75/12 = 75 × 3/12 × 3 = 225/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/36 < 225/36 or 20/18 < 75/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18 and 75/12 20/36 and 75/12 20/18 and 75/24 60/18 and 75/12 20/54 and 75/12 20/18 and 75/36 20/90 and 75/12 20/18 and 75/60 20/18 and 75/84