Compare 5/20 and 4/18
5/20 is greater than 4/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
5/20 = 5 × 9/20 × 9 = 45/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
4/18 = 4 × 10/18 × 10 = 40/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/180 > 40/180 or 5/20 > 4/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20 and 4/18 5/20 and 8/18 5/40 and 4/18 5/20 and 4/36 15/20 and 4/18 5/20 and 12/18 5/60 and 4/18 5/20 and 4/54 25/20 and 4/18 5/20 and 20/18 5/20 and 4/90 35/20 and 4/18 5/20 and 28/18