Subtract 8/12 from 1/84
1/84 - 8/12 is -55/84.
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,
1/84 = 1 × 1/84 × 1 = 1/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84 - Subtract the two like fractions:
1/84 - 56/84 = 1 - 56/84 = -55/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84-8/12 1/84-16/12 1/84-8/24 3/84-8/12 1/84-24/12 1/84-8/36 5/84-8/12 1/84-40/12 1/84-8/60 7/84-8/12 1/84-56/12 1/84-8/84