Compare 18/90 and 10/9
1st number: 18/90, 2nd number: 1 1/9
18/90 is smaller than 10/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
10/9 = 10 × 10/9 × 10 = 100/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/90 < 100/90 or 18/90 < 10/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/90 and 10/9 18/90 and 20/9 18/90 and 10/18 54/90 and 10/9 18/90 and 30/9 18/90 and 10/27 18/90 and 50/9 18/90 and 10/45 18/90 and 70/9 18/90 and 10/63