Add 18/5 and 14/81
1st number: 3 3/5, 2nd number: 14/81
18/5 + 14/81 is 1528/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 5 × 81 = 405,
18/5 = 18 × 81/5 × 81 = 1458/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
14/81 = 14 × 5/81 × 5 = 70/405 - Add the two like fractions:
1458/405 + 70/405 = 1458 + 70/405 = 1528/405 - So, 18/5 + 14/81 = 1528/405
In mixed form: 3313/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/5+14/81 18/5+28/81 18/10+14/81 54/5+14/81 18/5+42/81 18/15+14/81 90/5+14/81 18/5+70/81 18/25+14/81 18/5+98/81 18/35+14/81