Subtract 2/80 from 14/81
14/81 - 2/80 is 479/3240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 80 is 6480
Next, find the equivalent fraction of both fractional numbers with denominator 6480 - For the 1st fraction, since 81 × 80 = 6480,
14/81 = 14 × 80/81 × 80 = 1120/6480 - Likewise, for the 2nd fraction, since 80 × 81 = 6480,
2/80 = 2 × 81/80 × 81 = 162/6480 - Subtract the two like fractions:
1120/6480 - 162/6480 = 1120 - 162/6480 = 958/6480 - After reducing the fraction, the answer is 479/3240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/81-2/80 14/81-4/80 42/81-2/80 14/81-6/80 70/81-2/80 14/81-10/80 98/81-2/80 14/81-14/80