Subtract 75/70 from 4/10
1st number: 4/10, 2nd number: 1 5/70
4/10 - 75/70 is -47/70.
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,
4/10 = 4 × 7/10 × 7 = 28/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
75/70 = 75 × 1/70 × 1 = 75/70 - Subtract the two like fractions:
28/70 - 75/70 = 28 - 75/70 = -47/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10-75/70 4/20-75/70 12/10-75/70 4/30-75/70 20/10-75/70 4/50-75/70 28/10-75/70 4/70-75/70