Subtract 28/42 from 2/6
2/6 - 28/42 is -1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 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 42 × 1 = 42,
28/42 = 28 × 1/42 × 1 = 28/42 - Subtract the two like fractions:
14/42 - 28/42 = 14 - 28/42 = -14/42 - After reducing the fraction, the answer is -1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/6-28/42 2/6-56/42 2/12-28/42 2/6-28/84 2/6-84/42 2/18-28/42 10/6-28/42 2/30-28/42 14/6-28/42 2/42-28/42