Subtract 14/21 from 1/4
1/4 - 14/21 is -5/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
1/4 = 1 × 21/4 × 21 = 21/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84 - Subtract the two like fractions:
21/84 - 56/84 = 21 - 56/84 = -35/84 - After reducing the fraction, the answer is -5/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4-14/21 1/4-28/21 1/8-14/21 1/4-14/42 3/4-14/21 1/4-42/21 1/12-14/21 1/4-14/63 5/4-14/21 1/4-70/21 1/20-14/21 7/4-14/21 1/4-98/21 1/28-14/21