Compare 2/18 and 18/30
2/18 is smaller than 18/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
2/18 = 2 × 5/18 × 5 = 10/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
18/30 = 18 × 3/30 × 3 = 54/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 10/90 < 54/90 or 2/18 < 18/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/18 and 18/30 2/18 and 36/30 2/36 and 18/30 2/18 and 18/60 6/18 and 18/30 2/18 and 54/30 2/54 and 18/30 2/18 and 18/90 10/18 and 18/30 2/18 and 90/30 2/90 and 18/30 14/18 and 18/30