Subtract 84/56 from 8/12
1st number: 8/12, 2nd number: 1 28/56
8/12 - 84/56 is -5/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
8/12 = 8 × 14/12 × 14 = 112/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
84/56 = 84 × 3/56 × 3 = 252/168 - Subtract the two like fractions:
112/168 - 252/168 = 112 - 252/168 = -140/168 - After reducing the fraction, the answer is -5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12-84/56 8/24-84/56 24/12-84/56 8/36-84/56 40/12-84/56 8/60-84/56 56/12-84/56 8/84-84/56