Subtract 16/81 from 14/12
1st number: 1 2/12, 2nd number: 16/81
14/12 - 16/81 is 157/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
14/12 = 14 × 27/12 × 27 = 378/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
16/81 = 16 × 4/81 × 4 = 64/324 - Subtract the two like fractions:
378/324 - 64/324 = 378 - 64/324 = 314/324 - After reducing the fraction, the answer is 157/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/12-16/81 14/12-32/81 14/24-16/81 42/12-16/81 14/12-48/81 14/36-16/81 70/12-16/81 14/12-80/81 14/60-16/81 98/12-16/81 14/84-16/81