Add 8/36 and 3/81
8/36 + 3/81 is 7/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 36 × 9 = 324,
8/36 = 8 × 9/36 × 9 = 72/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
3/81 = 3 × 4/81 × 4 = 12/324 - Add the two like fractions:
72/324 + 12/324 = 72 + 12/324 = 84/324 - 84/324 simplified gives 7/27
- So, 8/36 + 3/81 = 7/27
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