Subtract 56/70 from 4/8
4/8 - 56/70 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
4/8 = 4 × 35/8 × 35 = 140/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
56/70 = 56 × 4/70 × 4 = 224/280 - Subtract the two like fractions:
140/280 - 224/280 = 140 - 224/280 = -84/280 - 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: 4/16-56/70 12/8-56/70 4/24-56/70 20/8-56/70 4/40-56/70 28/8-56/70 4/56-56/70