Subtract 4/70 from 6/7
6/7 - 4/70 is 4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
6/7 = 6 × 10/7 × 10 = 60/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
4/70 = 4 × 1/70 × 1 = 4/70 - Subtract the two like fractions:
60/70 - 4/70 = 60 - 4/70 = 56/70 - After reducing the fraction, the answer is 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7-4/70 6/7-8/70 6/14-4/70 18/7-4/70 6/7-12/70 6/21-4/70 30/7-4/70 6/7-20/70 6/35-4/70 42/7-4/70 6/7-28/70 6/49-4/70