Add 81/4 and 7/81
1st number: 20 1/4, 2nd number: 7/81
81/4 + 7/81 is 6589/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
81/4 = 81 × 81/4 × 81 = 6561/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
7/81 = 7 × 4/81 × 4 = 28/324 - Add the two like fractions:
6561/324 + 28/324 = 6561 + 28/324 = 6589/324 - So, 81/4 + 7/81 = 6589/324
In mixed form: 20109/324
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