Add 84/81 and 7/9
1st number: 1 3/81, 2nd number: 7/9
84/81 + 7/9 is 49/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
84/81 = 84 × 1/81 × 1 = 84/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
7/9 = 7 × 9/9 × 9 = 63/81 - Add the two like fractions:
84/81 + 63/81 = 84 + 63/81 = 147/81 - 147/81 simplified gives 49/27
- So, 84/81 + 7/9 = 49/27
In mixed form: 122/27
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