Subtract 2/4 from 8/10
8/10 - 2/4 is 3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
8/10 = 8 × 2/10 × 2 = 16/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
2/4 = 2 × 5/4 × 5 = 10/20 - Subtract the two like fractions:
16/20 - 10/20 = 16 - 10/20 = 6/20 - After reducing the fraction, the answer is 3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10-2/4 8/20-2/4 8/10-2/8 24/10-2/4 8/10-6/4 8/30-2/4 8/10-2/12 40/10-2/4 8/10-10/4 8/50-2/4 8/10-2/20 56/10-2/4 8/10-14/4 8/70-2/4 8/10-2/28