Subtract 15/70 from 8/10
8/10 - 15/70 is 41/70.
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,
15/70 = 15 × 1/70 × 1 = 15/70 - Subtract the two like fractions:
56/70 - 15/70 = 56 - 15/70 = 41/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10-15/70 8/10-30/70 8/20-15/70 24/10-15/70 8/10-45/70 8/30-15/70 40/10-15/70 8/10-75/70 8/50-15/70 56/10-15/70 8/70-15/70