Add 4/12 and 70/81
4/12 + 70/81 is 97/81.
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,
4/12 = 4 × 27/12 × 27 = 108/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
70/81 = 70 × 4/81 × 4 = 280/324 - Add the two like fractions:
108/324 + 280/324 = 108 + 280/324 = 388/324 - 388/324 simplified gives 97/81
- So, 4/12 + 70/81 = 97/81
In mixed form: 116/81
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