Subtract 3/70 from 8/7
1st number: 1 1/7, 2nd number: 3/70
8/7 - 3/70 is 11/10.
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,
8/7 = 8 × 10/7 × 10 = 80/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
3/70 = 3 × 1/70 × 1 = 3/70 - Subtract the two like fractions:
80/70 - 3/70 = 80 - 3/70 = 77/70 - After reducing the fraction, the answer is 11/10
- In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7-3/70 8/7-6/70 8/14-3/70 24/7-3/70 8/7-9/70 8/21-3/70 40/7-3/70 8/7-15/70 8/35-3/70 56/7-3/70 8/7-21/70 8/49-3/70