Subtract 20/14 from 27/24
1st number: 1 3/24, 2nd number: 1 6/14
27/24 - 20/14 is -17/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 14 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
27/24 = 27 × 7/24 × 7 = 189/168 - Likewise, for the 2nd fraction, since 14 × 12 = 168,
20/14 = 20 × 12/14 × 12 = 240/168 - Subtract the two like fractions:
189/168 - 240/168 = 189 - 240/168 = -51/168 - After reducing the fraction, the answer is -17/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24-20/14 27/24-40/14 27/48-20/14 27/24-20/28 81/24-20/14 27/24-60/14 27/72-20/14 27/24-20/42 27/24-20/70 27/24-20/98