Subtract 27/9 from 3/18
1st number: 3/18, 2nd number: 3 0/9
3/18 - 27/9 is -17/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
3/18 = 3 × 1/18 × 1 = 3/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
27/9 = 27 × 2/9 × 2 = 54/18 - Subtract the two like fractions:
3/18 - 54/18 = 3 - 54/18 = -51/18 - After reducing the fraction, the answer is -17/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18-27/9 3/18-54/9 3/36-27/9 3/18-27/18 9/18-27/9 3/18-81/9 3/54-27/9 15/18-27/9 3/90-27/9 3/18-27/45 21/18-27/9 3/18-27/63