Add 1/81 and 36/49
1/81 + 36/49 is 2965/3969.
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,
36/49 = 36 × 81/49 × 81 = 2916/3969 - Add the two like fractions:
49/3969 + 2916/3969 = 49 + 2916/3969 = 2965/3969 - So, 1/81 + 36/49 = 2965/3969
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/81+36/49 1/81+72/49 1/81+36/98 3/81+36/49 5/81+36/49 7/81+36/49