Subtract 28/70 from 1/6
1/6 - 28/70 is -7/30.
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,
1/6 = 1 × 35/6 × 35 = 35/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
28/70 = 28 × 3/70 × 3 = 84/210 - Subtract the two like fractions:
35/210 - 84/210 = 35 - 84/210 = -49/210 - After reducing the fraction, the answer is -7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/6-28/70 1/6-56/70 1/12-28/70 3/6-28/70 1/6-84/70 1/18-28/70 5/6-28/70 1/30-28/70 7/6-28/70 1/42-28/70