Subtract 21/27 from 27/6
1st number: 4 3/6, 2nd number: 21/27
27/6 - 21/27 is 67/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 6 × 9 = 54,
27/6 = 27 × 9/6 × 9 = 243/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
21/27 = 21 × 2/27 × 2 = 42/54 - Subtract the two like fractions:
243/54 - 42/54 = 243 - 42/54 = 201/54 - After reducing the fraction, the answer is 67/18
- In mixed form: 313/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6-21/27 27/6-42/27 27/12-21/27 27/6-21/54 81/6-21/27 27/6-63/27 27/18-21/27 27/6-21/81 27/30-21/27 27/42-21/27