Subtract 5/14 from 9/42
9/42 - 5/14 is -1/7.
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,
9/42 = 9 × 1/42 × 1 = 9/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
5/14 = 5 × 3/14 × 3 = 15/42 - Subtract the two like fractions:
9/42 - 15/42 = 9 - 15/42 = -6/42 - After reducing the fraction, the answer is -1/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42-5/14 9/42-10/14 9/84-5/14 9/42-5/28 27/42-5/14 9/42-15/14 9/42-5/42 45/42-5/14 9/42-25/14 9/42-5/70 63/42-5/14 9/42-35/14 9/42-5/98