Compare 5/18 and 90/7
1st number: 5/18, 2nd number: 12 6/7
5/18 is smaller than 90/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
5/18 = 5 × 7/18 × 7 = 35/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
90/7 = 90 × 18/7 × 18 = 1620/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 35/126 < 1620/126 or 5/18 < 90/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18 and 90/7 5/36 and 90/7 5/18 and 90/14 15/18 and 90/7 5/54 and 90/7 5/18 and 90/21 25/18 and 90/7 5/90 and 90/7 5/18 and 90/35 35/18 and 90/7 5/18 and 90/49