Subtract 28/14 from 27/12
1st number: 2 3/12, 2nd number: 2 0/14
27/12 - 28/14 is 1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
27/12 = 27 × 7/12 × 7 = 189/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
28/14 = 28 × 6/14 × 6 = 168/84 - Subtract the two like fractions:
189/84 - 168/84 = 189 - 168/84 = 21/84 - After reducing the fraction, the answer is 1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12-28/14 27/12-56/14 27/24-28/14 81/12-28/14 27/12-84/14 27/36-28/14 27/12-28/42 27/60-28/14 27/12-28/70 27/84-28/14 27/12-28/98