Subtract 84/27 from 1/18
1st number: 1/18, 2nd number: 3 3/27
1/18 - 84/27 is -55/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
1/18 = 1 × 3/18 × 3 = 3/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
84/27 = 84 × 2/27 × 2 = 168/54 - Subtract the two like fractions:
3/54 - 168/54 = 3 - 168/54 = -165/54 - After reducing the fraction, the answer is -55/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18-84/27 1/36-84/27 1/18-84/54 3/18-84/27 1/54-84/27 1/18-84/81 5/18-84/27 1/90-84/27 7/18-84/27