Subtract 6/10 from 7/20
7/20 - 6/10 is -1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
7/20 = 7 × 1/20 × 1 = 7/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
6/10 = 6 × 2/10 × 2 = 12/20 - Subtract the two like fractions:
7/20 - 12/20 = 7 - 12/20 = -5/20 - 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: 14/20-6/10 7/20-12/10 7/40-6/10 7/20-6/20 21/20-6/10 7/20-18/10 7/60-6/10 7/20-6/30 35/20-6/10 7/20-30/10 7/20-6/50 49/20-6/10 7/20-42/10 7/20-6/70