Subtract 40/18 from 14/63
1st number: 14/63, 2nd number: 2 4/18
14/63 - 40/18 is -2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
14/63 = 14 × 2/63 × 2 = 28/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
40/18 = 40 × 7/18 × 7 = 280/126 - Subtract the two like fractions:
28/126 - 280/126 = 28 - 280/126 = -252/126 - After reducing the fraction, the answer is -2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/63-40/18 14/63-80/18 14/63-40/36 42/63-40/18 14/63-40/54 70/63-40/18 14/63-40/90 98/63-40/18