Add 5/27 and 4/81
5/27 + 4/81 is 19/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 27 × 3 = 81,
5/27 = 5 × 3/27 × 3 = 15/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
4/81 = 4 × 1/81 × 1 = 4/81 - Add the two like fractions:
15/81 + 4/81 = 15 + 4/81 = 19/81 - So, 5/27 + 4/81 = 19/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/27+4/81 5/27+8/81 5/54+4/81 15/27+4/81 5/27+12/81 5/81+4/81 25/27+4/81 5/27+20/81 35/27+4/81 5/27+28/81