Subtract 27/42 from 4/6
4/6 - 27/42 is 1/42.
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,
4/6 = 4 × 7/6 × 7 = 28/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
27/42 = 27 × 1/42 × 1 = 27/42 - Subtract the two like fractions:
28/42 - 27/42 = 28 - 27/42 = 1/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/6-27/42 4/6-54/42 4/12-27/42 4/6-27/84 12/6-27/42 4/6-81/42 4/18-27/42 20/6-27/42 4/30-27/42 28/6-27/42 4/42-27/42