Subtract 2/8 from 10/20
10/20 - 2/8 is 1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
10/20 = 10 × 2/20 × 2 = 20/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
2/8 = 2 × 5/8 × 5 = 10/40 - Subtract the two like fractions:
20/40 - 10/40 = 20 - 10/40 = 10/40 - After reducing the fraction, the answer is 1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20-4/8 10/40-2/8 10/20-2/16 30/20-2/8 10/20-6/8 10/60-2/8 10/20-2/24 50/20-2/8 10/20-10/8 10/20-2/40 70/20-2/8 10/20-14/8 10/20-2/56