Add 12/81 and 28/12
1st number: 12/81, 2nd number: 2 4/12
12/81 + 28/12 is 67/27.
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,
12/81 = 12 × 4/81 × 4 = 48/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
28/12 = 28 × 27/12 × 27 = 756/324 - Add the two like fractions:
48/324 + 756/324 = 48 + 756/324 = 804/324 - 804/324 simplified gives 67/27
- So, 12/81 + 28/12 = 67/27
In mixed form: 213/27
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