Subtract 27/18 from 7/14
1st number: 7/14, 2nd number: 1 9/18
7/14 - 27/18 is -1/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
7/14 = 7 × 9/14 × 9 = 63/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
27/18 = 27 × 7/18 × 7 = 189/126 - Subtract the two like fractions:
63/126 - 189/126 = 63 - 189/126 = -126/126 - After reducing the fraction, the answer is -1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 7/14-54/18 7/28-27/18 7/14-27/36 21/14-27/18 7/14-81/18 7/42-27/18 7/14-27/54 35/14-27/18 7/70-27/18 7/14-27/90 49/14-27/18 7/98-27/18