Compare 18/30 and 2/15
18/30 is greater than 2/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
18/30 = 18 × 1/30 × 1 = 18/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
2/15 = 2 × 2/15 × 2 = 4/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/30 > 4/30 or 18/30 > 2/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30 and 2/15 18/30 and 4/15 18/60 and 2/15 18/30 and 2/30 54/30 and 2/15 18/30 and 6/15 18/90 and 2/15 18/30 and 2/45 90/30 and 2/15 18/30 and 10/15 18/30 and 2/75 18/30 and 14/15