Subtract 8/10 from 6/8
6/8 - 8/10 is -1/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
6/8 = 6 × 5/8 × 5 = 30/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
8/10 = 8 × 4/10 × 4 = 32/40 - Subtract the two like fractions:
30/40 - 32/40 = 30 - 32/40 = -2/40 - After reducing the fraction, the answer is -1/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8-8/10 6/8-16/10 6/16-8/10 6/8-8/20 18/8-8/10 6/8-24/10 6/24-8/10 6/8-8/30 30/8-8/10 6/8-40/10 6/40-8/10 6/8-8/50 42/8-8/10 6/8-56/10 6/56-8/10 6/8-8/70