Compare 9/15 and 15/18
9/15 is smaller than 15/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
9/15 = 9 × 6/15 × 6 = 54/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/90 < 75/90 or 9/15 < 15/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15 and 15/18 9/15 and 30/18 9/30 and 15/18 9/15 and 15/36 27/15 and 15/18 9/15 and 45/18 9/45 and 15/18 9/15 and 15/54 45/15 and 15/18 9/15 and 75/18 9/75 and 15/18 9/15 and 15/90 63/15 and 15/18