Compare 9/90 and 30/12
1st number: 9/90, 2nd number: 2 6/12
9/90 is smaller than 30/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
9/90 = 9 × 2/90 × 2 = 18/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
30/12 = 30 × 15/12 × 15 = 450/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/180 < 450/180 or 9/90 < 30/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90 and 30/12 9/90 and 60/12 9/90 and 30/24 27/90 and 30/12 9/90 and 90/12 9/90 and 30/36 45/90 and 30/12 9/90 and 30/60 63/90 and 30/12 9/90 and 30/84