Compare 30/90 and 25/12
1st number: 30/90, 2nd number: 2 1/12
30/90 is smaller than 25/12
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,
30/90 = 30 × 2/90 × 2 = 60/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
25/12 = 25 × 15/12 × 15 = 375/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/180 < 375/180 or 30/90 < 25/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90 and 25/12 30/90 and 50/12 30/90 and 25/24 30/90 and 75/12 30/90 and 25/36 30/90 and 25/60 30/90 and 25/84