Subtract 15/7 from 2/6
1st number: 2/6, 2nd number: 2 1/7
2/6 - 15/7 is -38/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
2/6 = 2 × 7/6 × 7 = 14/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
15/7 = 15 × 6/7 × 6 = 90/42 - Subtract the two like fractions:
14/42 - 90/42 = 14 - 90/42 = -76/42 - After reducing the fraction, the answer is -38/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/6-15/7 2/6-30/7 2/12-15/7 2/6-15/14 2/6-45/7 2/18-15/7 2/6-15/21 10/6-15/7 2/6-75/7 2/30-15/7 2/6-15/35 14/6-15/7 2/42-15/7 2/6-15/49