Subtract 15/12 from 56/84
1st number: 56/84, 2nd number: 1 3/12
56/84 - 15/12 is -7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
56/84 = 56 × 1/84 × 1 = 56/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
15/12 = 15 × 7/12 × 7 = 105/84 - Subtract the two like fractions:
56/84 - 105/84 = 56 - 105/84 = -49/84 - After reducing the fraction, the answer is -7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84-30/12 56/84-15/24 56/84-45/12 56/84-15/36 56/84-75/12 56/84-15/60 56/84-15/84