Subtract 4/81 from 12/14
12/14 - 4/81 is 458/567.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
12/14 = 12 × 81/14 × 81 = 972/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
4/81 = 4 × 14/81 × 14 = 56/1134 - Subtract the two like fractions:
972/1134 - 56/1134 = 972 - 56/1134 = 916/1134 - After reducing the fraction, the answer is 458/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14-4/81 12/14-8/81 12/28-4/81 36/14-4/81 12/14-12/81 12/42-4/81 60/14-4/81 12/14-20/81 12/70-4/81 84/14-4/81 12/14-28/81 12/98-4/81