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