Add 8/12 and 45/81
8/12 + 45/81 is 11/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
8/12 = 8 × 27/12 × 27 = 216/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
45/81 = 45 × 4/81 × 4 = 180/324 - Add the two like fractions:
216/324 + 180/324 = 216 + 180/324 = 396/324 - 396/324 simplified gives 11/9
- So, 8/12 + 45/81 = 11/9
In mixed form: 12/9
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