Add 9/18 and 18/81
9/18 + 18/81 is 13/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 18 × 9 = 162,
9/18 = 9 × 9/18 × 9 = 81/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
18/81 = 18 × 2/81 × 2 = 36/162 - Add the two like fractions:
81/162 + 36/162 = 81 + 36/162 = 117/162 - 117/162 simplified gives 13/18
- So, 9/18 + 18/81 = 13/18
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