Compare 1/7 and 5/18
1/7 is smaller than 5/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
1/7 = 1 × 18/7 × 18 = 18/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
5/18 = 5 × 7/18 × 7 = 35/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/126 < 35/126 or 1/7 < 5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7 and 5/18 1/7 and 10/18 1/14 and 5/18 1/7 and 5/36 3/7 and 5/18 1/7 and 15/18 1/21 and 5/18 1/7 and 5/54 5/7 and 5/18 1/7 and 25/18 1/35 and 5/18 1/7 and 5/90 1/7 and 35/18 1/49 and 5/18