Add 1/12 and 28/81
1/12 + 28/81 is 139/324.
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,
1/12 = 1 × 27/12 × 27 = 27/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
28/81 = 28 × 4/81 × 4 = 112/324 - Add the two like fractions:
27/324 + 112/324 = 27 + 112/324 = 139/324 - So, 1/12 + 28/81 = 139/324
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