Subtract 9/14 from 4/42
4/42 - 9/14 is -23/42.
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,
4/42 = 4 × 1/42 × 1 = 4/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
9/14 = 9 × 3/14 × 3 = 27/42 - Subtract the two like fractions:
4/42 - 27/42 = 4 - 27/42 = -23/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/42-9/14 4/42-18/14 4/84-9/14 4/42-9/28 12/42-9/14 4/42-27/14 4/42-9/42 20/42-9/14 4/42-45/14 4/42-9/70 28/42-9/14 4/42-63/14 4/42-9/98