Subtract 20/24 from 9/14
9/14 - 20/24 is -4/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 14 × 12 = 168,
9/14 = 9 × 12/14 × 12 = 108/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Subtract the two like fractions:
108/168 - 140/168 = 108 - 140/168 = -32/168 - After reducing the fraction, the answer is -4/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/14-20/24 9/14-40/24 9/28-20/24 9/14-20/48 27/14-20/24 9/14-60/24 9/42-20/24 9/14-20/72 45/14-20/24 9/70-20/24 63/14-20/24 9/98-20/24