Subtract 20/12 from 7/25
1st number: 7/25, 2nd number: 1 8/12
7/25 - 20/12 is -104/75.
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,
7/25 = 7 × 12/25 × 12 = 84/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
20/12 = 20 × 25/12 × 25 = 500/300 - Subtract the two like fractions:
84/300 - 500/300 = 84 - 500/300 = -416/300 - After reducing the fraction, the answer is -104/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/25-20/12 7/25-40/12 7/50-20/12 7/25-20/24 21/25-20/12 7/25-60/12 7/75-20/12 7/25-20/36 35/25-20/12 7/25-20/60 49/25-20/12 7/25-20/84