Subtract 56/49 from 8/84
1st number: 8/84, 2nd number: 1 7/49
8/84 - 56/49 is -22/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
8/84 = 8 × 7/84 × 7 = 56/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
56/49 = 56 × 12/49 × 12 = 672/588 - Subtract the two like fractions:
56/588 - 672/588 = 56 - 672/588 = -616/588 - After reducing the fraction, the answer is -22/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84-56/49 8/84-56/98 24/84-56/49 40/84-56/49 56/84-56/49