Subtract 7/42 from 9/14
9/14 - 7/42 is 10/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
9/14 = 9 × 3/14 × 3 = 27/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
7/42 = 7 × 1/42 × 1 = 7/42 - Subtract the two like fractions:
27/42 - 7/42 = 27 - 7/42 = 20/42 - After reducing the fraction, the answer is 10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/14-7/42 9/14-14/42 9/28-7/42 9/14-7/84 27/14-7/42 9/14-21/42 9/42-7/42 45/14-7/42 9/14-35/42 9/70-7/42 63/14-7/42 9/14-49/42 9/98-7/42