Subtract 14/21 from 27/2
1st number: 13 1/2, 2nd number: 14/21
27/2 - 14/21 is 77/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
27/2 = 27 × 21/2 × 21 = 567/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
14/21 = 14 × 2/21 × 2 = 28/42 - Subtract the two like fractions:
567/42 - 28/42 = 567 - 28/42 = 539/42 - After reducing the fraction, the answer is 77/6
- In mixed form: 125/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2-14/21 27/2-28/21 27/4-14/21 27/2-14/42 81/2-14/21 27/2-42/21 27/6-14/21 27/2-14/63 27/2-70/21 27/10-14/21 27/2-98/21 27/14-14/21