Add 30/81 and 3/12
30/81 + 3/12 is 67/108.
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,
30/81 = 30 × 4/81 × 4 = 120/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
3/12 = 3 × 27/12 × 27 = 81/324 - Add the two like fractions:
120/324 + 81/324 = 120 + 81/324 = 201/324 - 201/324 simplified gives 67/108
- So, 30/81 + 3/12 = 67/108
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