Subtract 5/6 from 40/63
40/63 - 5/6 is -25/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 6 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
40/63 = 40 × 2/63 × 2 = 80/126 - Likewise, for the 2nd fraction, since 6 × 21 = 126,
5/6 = 5 × 21/6 × 21 = 105/126 - Subtract the two like fractions:
80/126 - 105/126 = 80 - 105/126 = -25/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63-5/6 40/63-10/6 40/63-5/12 40/63-15/6 40/63-5/18 40/63-25/6 40/63-5/30 40/63-35/6 40/63-5/42