Subtract 8/84 from 7/14
7/14 - 8/84 is 17/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
7/14 = 7 × 6/14 × 6 = 42/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
8/84 = 8 × 1/84 × 1 = 8/84 - Subtract the two like fractions:
42/84 - 8/84 = 42 - 8/84 = 34/84 - After reducing the fraction, the answer is 17/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 7/14-16/84 7/28-8/84 21/14-8/84 7/14-24/84 7/42-8/84 35/14-8/84 7/14-40/84 7/70-8/84 49/14-8/84 7/14-56/84 7/98-8/84