Subtract 18/14 from 9/18
1st number: 9/18, 2nd number: 1 4/14
9/18 - 18/14 is -11/14.
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,
9/18 = 9 × 7/18 × 7 = 63/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
18/14 = 18 × 9/14 × 9 = 162/126 - Subtract the two like fractions:
63/126 - 162/126 = 63 - 162/126 = -99/126 - After reducing the fraction, the answer is -11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 9/18-36/14 9/36-18/14 9/18-18/28 27/18-18/14 9/18-54/14 9/54-18/14 9/18-18/42 45/18-18/14 9/18-90/14 9/90-18/14 9/18-18/70 63/18-18/14 9/18-18/98