Subtract 9/14 from 4/81
4/81 - 9/14 is -673/1134.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 14 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 81 × 14 = 1134,
4/81 = 4 × 14/81 × 14 = 56/1134 - Likewise, for the 2nd fraction, since 14 × 81 = 1134,
9/14 = 9 × 81/14 × 81 = 729/1134 - Subtract the two like fractions:
56/1134 - 729/1134 = 56 - 729/1134 = -673/1134
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/81-9/14 4/81-18/14 4/81-9/28 12/81-9/14 4/81-27/14 4/81-9/42 20/81-9/14 4/81-45/14 4/81-9/70 28/81-9/14 4/81-63/14 4/81-9/98