Subtract 40/63 from 8/14
8/14 - 40/63 is -4/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
8/14 = 8 × 9/14 × 9 = 72/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
40/63 = 40 × 2/63 × 2 = 80/126 - Subtract the two like fractions:
72/126 - 80/126 = 72 - 80/126 = -8/126 - After reducing the fraction, the answer is -4/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14-40/63 8/14-80/63 8/28-40/63 24/14-40/63 8/42-40/63 40/14-40/63 8/70-40/63 56/14-40/63 8/98-40/63