Subtract 63/18 from 14/15
1st number: 14/15, 2nd number: 3 9/18
14/15 - 63/18 is -77/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
14/15 = 14 × 6/15 × 6 = 84/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
63/18 = 63 × 5/18 × 5 = 315/90 - Subtract the two like fractions:
84/90 - 315/90 = 84 - 315/90 = -231/90 - After reducing the fraction, the answer is -77/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/15-63/18 14/30-63/18 14/15-63/36 42/15-63/18 14/45-63/18 14/15-63/54 70/15-63/18 14/75-63/18 14/15-63/90 98/15-63/18