Add 5/12 and 21/81
5/12 + 21/81 is 73/108.
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,
5/12 = 5 × 27/12 × 27 = 135/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
21/81 = 21 × 4/81 × 4 = 84/324 - Add the two like fractions:
135/324 + 84/324 = 135 + 84/324 = 219/324 - 219/324 simplified gives 73/108
- So, 5/12 + 21/81 = 73/108
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