Add 2/18 and 7/81
2/18 + 7/81 is 16/81.
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,
2/18 = 2 × 9/18 × 9 = 18/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
7/81 = 7 × 2/81 × 2 = 14/162 - Add the two like fractions:
18/162 + 14/162 = 18 + 14/162 = 32/162 - 32/162 simplified gives 16/81
- So, 2/18 + 7/81 = 16/81
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