Subtract 15/10 from 64/70
1st number: 64/70, 2nd number: 1 5/10
64/70 - 15/10 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,
64/70 = 64 × 1/70 × 1 = 64/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
15/10 = 15 × 7/10 × 7 = 105/70 - Subtract the two like fractions:
64/70 - 105/70 = 64 - 105/70 = -41/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/70-30/10 64/70-15/20 64/70-45/10 64/70-15/30 64/70-75/10 64/70-15/50 64/70-15/70