Add 10/81 and 9/4
1st number: 10/81, 2nd number: 2 1/4
10/81 + 9/4 is 769/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 4 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
10/81 = 10 × 4/81 × 4 = 40/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
9/4 = 9 × 81/4 × 81 = 729/324 - Add the two like fractions:
40/324 + 729/324 = 40 + 729/324 = 769/324 - So, 10/81 + 9/4 = 769/324
In mixed form: 2121/324
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