Subtract 5/81 from 14/80
14/80 - 5/81 is 367/3240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 81 is 6480
Next, find the equivalent fraction of both fractional numbers with denominator 6480 - For the 1st fraction, since 80 × 81 = 6480,
14/80 = 14 × 81/80 × 81 = 1134/6480 - Likewise, for the 2nd fraction, since 81 × 80 = 6480,
5/81 = 5 × 80/81 × 80 = 400/6480 - Subtract the two like fractions:
1134/6480 - 400/6480 = 1134 - 400/6480 = 734/6480 - After reducing the fraction, the answer is 367/3240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/80-5/81 14/80-10/81 42/80-5/81 14/80-15/81 70/80-5/81 14/80-25/81 98/80-5/81 14/80-35/81