Subtract 3/18 from 27/2
1st number: 13 1/2, 2nd number: 3/18
27/2 - 3/18 is 40/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
27/2 = 27 × 9/2 × 9 = 243/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
3/18 = 3 × 1/18 × 1 = 3/18 - Subtract the two like fractions:
243/18 - 3/18 = 243 - 3/18 = 240/18 - After reducing the fraction, the answer is 40/3
- In mixed form: 131/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2-3/18 27/2-6/18 27/4-3/18 27/2-3/36 81/2-3/18 27/2-9/18 27/6-3/18 27/2-3/54 27/2-15/18 27/10-3/18 27/2-3/90 27/2-21/18 27/14-3/18