Compare 9/30 and 18/36
9/30 is smaller than 18/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
9/30 = 9 × 6/30 × 6 = 54/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
18/36 = 18 × 5/36 × 5 = 90/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/180 < 90/180 or 9/30 < 18/36
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 18/36 9/60 and 18/36 9/30 and 18/72 27/30 and 18/36 9/30 and 54/36 9/90 and 18/36 45/30 and 18/36 9/30 and 90/36 63/30 and 18/36