Subtract 2/70 from 20/7
1st number: 2 6/7, 2nd number: 2/70
20/7 - 2/70 is 99/35.
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,
20/7 = 20 × 10/7 × 10 = 200/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
2/70 = 2 × 1/70 × 1 = 2/70 - Subtract the two like fractions:
200/70 - 2/70 = 200 - 2/70 = 198/70 - After reducing the fraction, the answer is 99/35
- In mixed form: 229/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/7-2/70 20/7-4/70 20/14-2/70 60/7-2/70 20/7-6/70 20/21-2/70 20/7-10/70 20/35-2/70 20/7-14/70 20/49-2/70