Compare 45/25 and 15/12
1st number: 1 20/25, 2nd number: 1 3/12
45/25 is greater than 15/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
45/25 = 45 × 12/25 × 12 = 540/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
15/12 = 15 × 25/12 × 25 = 375/300 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 540/300 > 375/300 or 45/25 > 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25 and 15/12 45/25 and 30/12 45/50 and 15/12 45/25 and 15/24 45/25 and 45/12 45/75 and 15/12 45/25 and 15/36 45/25 and 75/12 45/25 and 15/60 45/25 and 15/84