Subtract 49/20 from 25/12
1st number: 2 1/12, 2nd number: 2 9/20
25/12 - 49/20 is -11/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
25/12 = 25 × 5/12 × 5 = 125/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
49/20 = 49 × 3/20 × 3 = 147/60 - Subtract the two like fractions:
125/60 - 147/60 = 125 - 147/60 = -22/60 - After reducing the fraction, the answer is -11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12-49/20 25/12-98/20 25/24-49/20 25/12-49/40 75/12-49/20 25/36-49/20 25/12-49/60 25/60-49/20 25/84-49/20