Subtract 56/12 from 5/84
1st number: 5/84, 2nd number: 4 8/12
5/84 - 56/12 is -129/28.
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,
5/84 = 5 × 1/84 × 1 = 5/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
56/12 = 56 × 7/12 × 7 = 392/84 - Subtract the two like fractions:
5/84 - 392/84 = 5 - 392/84 = -387/84 - After reducing the fraction, the answer is -129/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/84-56/12 5/84-56/24 15/84-56/12 5/84-56/36 25/84-56/12 5/84-56/60 35/84-56/12 5/84-56/84