Compare 5/18 and 3/20
5/18 is greater than 3/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
5/18 = 5 × 10/18 × 10 = 50/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
3/20 = 3 × 9/20 × 9 = 27/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 50/180 > 27/180 or 5/18 > 3/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18 and 3/20 5/18 and 6/20 5/36 and 3/20 5/18 and 3/40 15/18 and 3/20 5/18 and 9/20 5/54 and 3/20 5/18 and 3/60 25/18 and 3/20 5/18 and 15/20 5/90 and 3/20 35/18 and 3/20 5/18 and 21/20