Add 1/81 and 27/49
1/81 + 27/49 is 2236/3969.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 49 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 81 × 49 = 3969,
1/81 = 1 × 49/81 × 49 = 49/3969 - Likewise, for the 2nd fraction, since 49 × 81 = 3969,
27/49 = 27 × 81/49 × 81 = 2187/3969 - Add the two like fractions:
49/3969 + 2187/3969 = 49 + 2187/3969 = 2236/3969 - So, 1/81 + 27/49 = 2236/3969
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/81+27/49 1/81+54/49 1/81+27/98 3/81+27/49 1/81+81/49 5/81+27/49 7/81+27/49