Add 10/81 and 4/18
10/81 + 4/18 is 28/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 18 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
10/81 = 10 × 2/81 × 2 = 20/162 - Likewise, for the 2nd fraction, since 18 × 9 = 162,
4/18 = 4 × 9/18 × 9 = 36/162 - Add the two like fractions:
20/162 + 36/162 = 20 + 36/162 = 56/162 - 56/162 simplified gives 28/81
- So, 10/81 + 4/18 = 28/81
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