Subtract 5/70 from 20/6
1st number: 3 2/6, 2nd number: 5/70
20/6 - 5/70 is 137/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 6 × 35 = 210,
20/6 = 20 × 35/6 × 35 = 700/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
5/70 = 5 × 3/70 × 3 = 15/210 - Subtract the two like fractions:
700/210 - 15/210 = 700 - 15/210 = 685/210 - After reducing the fraction, the answer is 137/42
- In mixed form: 311/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/6-5/70 20/6-10/70 20/12-5/70 60/6-5/70 20/6-15/70 20/18-5/70 20/6-25/70 20/30-5/70 20/6-35/70 20/42-5/70