Subtract 40/56 from 1/6
1/6 - 40/56 is -23/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 6 × 28 = 168,
1/6 = 1 × 28/6 × 28 = 28/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
40/56 = 40 × 3/56 × 3 = 120/168 - Subtract the two like fractions:
28/168 - 120/168 = 28 - 120/168 = -92/168 - After reducing the fraction, the answer is -23/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/6-40/56 1/6-80/56 1/12-40/56 3/6-40/56 1/18-40/56 5/6-40/56 1/30-40/56 7/6-40/56 1/42-40/56