Subtract 6/8 from 7/10
7/10 - 6/8 is -1/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
7/10 = 7 × 4/10 × 4 = 28/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
6/8 = 6 × 5/8 × 5 = 30/40 - Subtract the two like fractions:
28/40 - 30/40 = 28 - 30/40 = -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: 14/10-6/8 7/10-12/8 7/20-6/8 7/10-6/16 21/10-6/8 7/10-18/8 7/30-6/8 7/10-6/24 35/10-6/8 7/10-30/8 7/50-6/8 7/10-6/40 49/10-6/8 7/10-42/8 7/70-6/8 7/10-6/56