Subtract 7/70 from 8/10
8/10 - 7/70 is 7/10.
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,
8/10 = 8 × 7/10 × 7 = 56/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
7/70 = 7 × 1/70 × 1 = 7/70 - Subtract the two like fractions:
56/70 - 7/70 = 56 - 7/70 = 49/70 - After reducing the fraction, the answer is 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10-7/70 8/10-14/70 8/20-7/70 24/10-7/70 8/10-21/70 8/30-7/70 40/10-7/70 8/10-35/70 8/50-7/70 56/10-7/70 8/10-49/70 8/70-7/70