Add 4/81 and 15/18
4/81 + 15/18 is 143/162.
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,
4/81 = 4 × 2/81 × 2 = 8/162 - Likewise, for the 2nd fraction, since 18 × 9 = 162,
15/18 = 15 × 9/18 × 9 = 135/162 - Add the two like fractions:
8/162 + 135/162 = 8 + 135/162 = 143/162 - So, 4/81 + 15/18 = 143/162
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