Subtract 25/12 from 15/25
1st number: 15/25, 2nd number: 2 1/12
15/25 - 25/12 is -89/60.
Steps for subtracting 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,
15/25 = 15 × 12/25 × 12 = 180/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
25/12 = 25 × 25/12 × 25 = 625/300 - Subtract the two like fractions:
180/300 - 625/300 = 180 - 625/300 = -445/300 - After reducing the fraction, the answer is -89/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25-25/12 15/25-50/12 15/50-25/12 15/25-25/24 45/25-25/12 15/25-75/12 15/75-25/12 15/25-25/36 75/25-25/12 15/25-25/60 15/25-25/84