Subtract 4/14 from 7/42
7/42 - 4/14 is -5/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
7/42 = 7 × 1/42 × 1 = 7/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
4/14 = 4 × 3/14 × 3 = 12/42 - Subtract the two like fractions:
7/42 - 12/42 = 7 - 12/42 = -5/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42-4/14 7/42-8/14 7/84-4/14 7/42-4/28 21/42-4/14 7/42-12/14 7/42-4/42 35/42-4/14 7/42-20/14 7/42-4/70 49/42-4/14 7/42-28/14 7/42-4/98