Subtract 8/14 from 10/42
10/42 - 8/14 is -1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
10/42 = 10 × 1/42 × 1 = 10/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
8/14 = 8 × 3/14 × 3 = 24/42 - Subtract the two like fractions:
10/42 - 24/42 = 10 - 24/42 = -14/42 - After reducing the fraction, the answer is -1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42-8/14 10/42-16/14 10/84-8/14 10/42-8/28 30/42-8/14 10/42-24/14 10/42-8/42 50/42-8/14 10/42-40/14 10/42-8/70 70/42-8/14 10/42-56/14 10/42-8/98