Subtract 56/70 from 3/10
3/10 - 56/70 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
3/10 = 3 × 7/10 × 7 = 21/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
56/70 = 56 × 1/70 × 1 = 56/70 - Subtract the two like fractions:
21/70 - 56/70 = 21 - 56/70 = -35/70 - After reducing the fraction, the answer is -1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10-56/70 3/20-56/70 9/10-56/70 3/30-56/70 15/10-56/70 3/50-56/70 21/10-56/70 3/70-56/70