Subtract 27/14 from 3/18
1st number: 3/18, 2nd number: 1 13/14
3/18 - 27/14 is -37/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
27/14 = 27 × 9/14 × 9 = 243/126 - Subtract the two like fractions:
21/126 - 243/126 = 21 - 243/126 = -222/126 - After reducing the fraction, the answer is -37/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18-27/14 3/18-54/14 3/36-27/14 3/18-27/28 9/18-27/14 3/18-81/14 3/54-27/14 3/18-27/42 15/18-27/14 3/90-27/14 3/18-27/70 21/18-27/14 3/18-27/98