Subtract 7/10 from 8/70
8/70 - 7/10 is -41/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
8/70 = 8 × 1/70 × 1 = 8/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
7/10 = 7 × 7/10 × 7 = 49/70 - Subtract the two like fractions:
8/70 - 49/70 = 8 - 49/70 = -41/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70-7/10 8/70-14/10 8/70-7/20 24/70-7/10 8/70-21/10 8/70-7/30 40/70-7/10 8/70-35/10 8/70-7/50 56/70-7/10 8/70-49/10 8/70-7/70