Compare 3/9 and 27/20
1st number: 3/9, 2nd number: 1 7/20
3/9 is smaller than 27/20
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,
3/9 = 3 × 20/9 × 20 = 60/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
27/20 = 27 × 9/20 × 9 = 243/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/180 < 243/180 or 3/9 < 27/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9 and 27/20 3/9 and 54/20 3/18 and 27/20 3/9 and 27/40 3/9 and 81/20 3/27 and 27/20 3/9 and 27/60 15/9 and 27/20 3/45 and 27/20 21/9 and 27/20 3/63 and 27/20