Subtract 63/18 from 15/14
1st number: 1 1/14, 2nd number: 3 9/18
15/14 - 63/18 is -17/7.
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,
15/14 = 15 × 9/14 × 9 = 135/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
63/18 = 63 × 7/18 × 7 = 441/126 - Subtract the two like fractions:
135/126 - 441/126 = 135 - 441/126 = -306/126 - After reducing the fraction, the answer is -17/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/14-63/18 15/28-63/18 15/14-63/36 45/14-63/18 15/42-63/18 15/14-63/54 75/14-63/18 15/70-63/18 15/14-63/90 15/98-63/18