Subtract 3/10 from 1/2
1/2 - 3/10 is 1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
1/2 = 1 × 5/2 × 5 = 5/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
3/10 = 3 × 1/10 × 1 = 3/10 - Subtract the two like fractions:
5/10 - 3/10 = 5 - 3/10 = 2/10 - After reducing the fraction, the answer is 1/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/2-6/10 1/4-3/10 1/2-3/20 3/2-3/10 1/2-9/10 1/6-3/10 1/2-3/30 5/2-3/10 1/2-15/10 1/10-3/10 1/2-3/50 7/2-3/10 1/2-21/10 1/14-3/10 1/2-3/70