Subtract 15/70 from 7/6
1st number: 1 1/6, 2nd number: 15/70
7/6 - 15/70 is 20/21.
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,
7/6 = 7 × 35/6 × 35 = 245/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
15/70 = 15 × 3/70 × 3 = 45/210 - Subtract the two like fractions:
245/210 - 45/210 = 245 - 45/210 = 200/210 - After reducing the fraction, the answer is 20/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/6-15/70 7/6-30/70 7/12-15/70 21/6-15/70 7/6-45/70 7/18-15/70 35/6-15/70 7/6-75/70 7/30-15/70 49/6-15/70 7/42-15/70