Subtract 6/7 from 4/6
4/6 - 6/7 is -4/21.
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,
4/6 = 4 × 7/6 × 7 = 28/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
6/7 = 6 × 6/7 × 6 = 36/42 - Subtract the two like fractions:
28/42 - 36/42 = 28 - 36/42 = -8/42 - After reducing the fraction, the answer is -4/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/6-6/7 4/6-12/7 4/12-6/7 4/6-6/14 12/6-6/7 4/6-18/7 4/18-6/7 4/6-6/21 20/6-6/7 4/6-30/7 4/30-6/7 4/6-6/35 28/6-6/7 4/6-42/7 4/42-6/7 4/6-6/49