Compare 9/30 and 18/27
9/30 is smaller than 18/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
9/30 = 9 × 9/30 × 9 = 81/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
18/27 = 18 × 10/27 × 10 = 180/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 81/270 < 180/270 or 9/30 < 18/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30 and 18/27 9/30 and 36/27 9/60 and 18/27 9/30 and 18/54 27/30 and 18/27 9/30 and 54/27 9/90 and 18/27 9/30 and 18/81 45/30 and 18/27 9/30 and 90/27 63/30 and 18/27