Add 7/81 and 63/36
1st number: 7/81, 2nd number: 1 27/36
7/81 + 63/36 is 595/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 36 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
7/81 = 7 × 4/81 × 4 = 28/324 - Likewise, for the 2nd fraction, since 36 × 9 = 324,
63/36 = 63 × 9/36 × 9 = 567/324 - Add the two like fractions:
28/324 + 567/324 = 28 + 567/324 = 595/324 - So, 7/81 + 63/36 = 595/324
In mixed form: 1271/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/81+63/36 7/81+63/72 21/81+63/36 35/81+63/36 49/81+63/36