Subtract 14/21 from 27/4
1st number: 6 3/4, 2nd number: 14/21
27/4 - 14/21 is 73/12.
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,
27/4 = 27 × 21/4 × 21 = 567/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84 - Subtract the two like fractions:
567/84 - 56/84 = 567 - 56/84 = 511/84 - After reducing the fraction, the answer is 73/12
- In mixed form: 61/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4-14/21 27/4-28/21 27/8-14/21 27/4-14/42 81/4-14/21 27/4-42/21 27/12-14/21 27/4-14/63 27/4-70/21 27/20-14/21 27/4-98/21 27/28-14/21