Subtract 15/84 from 25/12
1st number: 2 1/12, 2nd number: 15/84
25/12 - 15/84 is 40/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
25/12 = 25 × 7/12 × 7 = 175/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
15/84 = 15 × 1/84 × 1 = 15/84 - Subtract the two like fractions:
175/84 - 15/84 = 175 - 15/84 = 160/84 - After reducing the fraction, the answer is 40/21
- In mixed form: 119/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12-15/84 25/12-30/84 25/24-15/84 75/12-15/84 25/12-45/84 25/36-15/84 25/12-75/84 25/60-15/84 25/84-15/84