Add 9/81 and 3/4
9/81 + 3/4 is 31/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 4 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
9/81 = 9 × 4/81 × 4 = 36/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
3/4 = 3 × 81/4 × 81 = 243/324 - Add the two like fractions:
36/324 + 243/324 = 36 + 243/324 = 279/324 - 279/324 simplified gives 31/36
- So, 9/81 + 3/4 = 31/36
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