Add 8/81 and 84/12
1st number: 8/81, 2nd number: 7 0/12
8/81 + 84/12 is 575/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 12 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
8/81 = 8 × 4/81 × 4 = 32/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
84/12 = 84 × 27/12 × 27 = 2268/324 - Add the two like fractions:
32/324 + 2268/324 = 32 + 2268/324 = 2300/324 - 2300/324 simplified gives 575/81
- So, 8/81 + 84/12 = 575/81
In mixed form: 78/81
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