Subtract 8/96 from 1/21
1/21 - 8/96 is -1/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
1/21 = 1 × 32/21 × 32 = 32/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
8/96 = 8 × 7/96 × 7 = 56/672 - Subtract the two like fractions:
32/672 - 56/672 = 32 - 56/672 = -24/672 - After reducing the fraction, the answer is -1/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21-8/96 1/21-16/96 1/42-8/96 3/21-8/96 1/21-24/96 1/63-8/96 5/21-8/96 1/21-40/96 7/21-8/96 1/21-56/96