Subtract 25/12 from 20/25
1st number: 20/25, 2nd number: 2 1/12
20/25 - 25/12 is -77/60.
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,
20/25 = 20 × 12/25 × 12 = 240/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
25/12 = 25 × 25/12 × 25 = 625/300 - Subtract the two like fractions:
240/300 - 625/300 = 240 - 625/300 = -385/300 - After reducing the fraction, the answer is -77/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25-25/12 20/25-50/12 20/50-25/12 20/25-25/24 60/25-25/12 20/25-75/12 20/75-25/12 20/25-25/36 20/25-25/60 20/25-25/84