Add 7/81 and 4/12
7/81 + 4/12 is 34/81.
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,
7/81 = 7 × 4/81 × 4 = 28/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
4/12 = 4 × 27/12 × 27 = 108/324 - Add the two like fractions:
28/324 + 108/324 = 28 + 108/324 = 136/324 - 136/324 simplified gives 34/81
- So, 7/81 + 4/12 = 34/81
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