Compare 4/9 and 3/20
4/9 is greater than 3/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
4/9 = 4 × 20/9 × 20 = 80/180 - 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
- 80/180 > 27/180 or 4/9 > 3/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/9 and 3/20 4/9 and 6/20 4/18 and 3/20 4/9 and 3/40 12/9 and 3/20 4/9 and 9/20 4/27 and 3/20 4/9 and 3/60 20/9 and 3/20 4/9 and 15/20 4/45 and 3/20 28/9 and 3/20 4/9 and 21/20 4/63 and 3/20