Subtract 80/14 from 63/18
1st number: 3 9/18, 2nd number: 5 10/14
63/18 - 80/14 is -31/14.
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,
63/18 = 63 × 7/18 × 7 = 441/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
80/14 = 80 × 9/14 × 9 = 720/126 - Subtract the two like fractions:
441/126 - 720/126 = 441 - 720/126 = -279/126 - After reducing the fraction, the answer is -31/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/36-80/14 63/18-80/28 63/54-80/14 63/18-80/42 63/90-80/14 63/18-80/70 63/18-80/98