Compare 30/9 and 20/90
1st number: 3 3/9, 2nd number: 20/90
30/9 is greater than 20/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
30/9 = 30 × 10/9 × 10 = 300/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 300/90 > 20/90 or 30/9 > 20/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9 and 20/90 30/9 and 40/90 30/18 and 20/90 90/9 and 20/90 30/9 and 60/90 30/27 and 20/90 30/45 and 20/90 30/63 and 20/90