Compare 8/18 and 5/15
8/18 is greater than 5/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
8/18 = 8 × 5/18 × 5 = 40/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
5/15 = 5 × 6/15 × 6 = 30/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/90 > 30/90 or 8/18 > 5/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18 and 5/15 8/18 and 10/15 8/36 and 5/15 8/18 and 5/30 24/18 and 5/15 8/54 and 5/15 8/18 and 5/45 40/18 and 5/15 8/18 and 25/15 8/90 and 5/15 8/18 and 5/75 56/18 and 5/15 8/18 and 35/15