Subtract 1/3 from 8/84
8/84 - 1/3 is -5/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
8/84 = 8 × 1/84 × 1 = 8/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
1/3 = 1 × 28/3 × 28 = 28/84 - Subtract the two like fractions:
8/84 - 28/84 = 8 - 28/84 = -20/84 - After reducing the fraction, the answer is -5/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84-1/3 8/84-2/3 8/84-1/6 24/84-1/3 8/84-1/9 40/84-1/3 8/84-5/3 8/84-1/15 56/84-1/3 8/84-7/3 8/84-1/21