Subtract 7/42 from 1/14
1/14 - 7/42 is -2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
1/14 = 1 × 3/14 × 3 = 3/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
7/42 = 7 × 1/42 × 1 = 7/42 - Subtract the two like fractions:
3/42 - 7/42 = 3 - 7/42 = -4/42 - After reducing the fraction, the answer is -2/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/14-7/42 1/14-14/42 1/28-7/42 1/14-7/84 3/14-7/42 1/14-21/42 1/42-7/42 5/14-7/42 1/14-35/42 1/70-7/42 7/14-7/42 1/14-49/42 1/98-7/42