Subtract 5/16 from 14/81
14/81 - 5/16 is -181/1296.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 16 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 81 × 16 = 1296,
14/81 = 14 × 16/81 × 16 = 224/1296 - Likewise, for the 2nd fraction, since 16 × 81 = 1296,
5/16 = 5 × 81/16 × 81 = 405/1296 - Subtract the two like fractions:
224/1296 - 405/1296 = 224 - 405/1296 = -181/1296
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/81-5/16 14/81-10/16 14/81-5/32 42/81-5/16 14/81-15/16 14/81-5/48 70/81-5/16 14/81-25/16 14/81-5/80 98/81-5/16 14/81-35/16