Compare 1/5 and 4/18
1/5 is smaller than 4/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
1/5 = 1 × 18/5 × 18 = 18/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
4/18 = 4 × 5/18 × 5 = 20/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/90 < 20/90 or 1/5 < 4/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5 and 4/18 1/5 and 8/18 1/10 and 4/18 1/5 and 4/36 3/5 and 4/18 1/5 and 12/18 1/15 and 4/18 1/5 and 4/54 1/5 and 20/18 1/25 and 4/18 1/5 and 4/90 7/5 and 4/18 1/5 and 28/18 1/35 and 4/18