Subtract 15/81 from 4/14
4/14 - 15/81 is 19/189.
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,
4/14 = 4 × 81/14 × 81 = 324/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
15/81 = 15 × 14/81 × 14 = 210/1134 - Subtract the two like fractions:
324/1134 - 210/1134 = 324 - 210/1134 = 114/1134 - After reducing the fraction, the answer is 19/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/14-15/81 4/14-30/81 4/28-15/81 12/14-15/81 4/14-45/81 4/42-15/81 20/14-15/81 4/14-75/81 4/70-15/81 28/14-15/81 4/98-15/81