Add 15/81 and 12/18
15/81 + 12/18 is 23/27.
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,
15/81 = 15 × 2/81 × 2 = 30/162 - Likewise, for the 2nd fraction, since 18 × 9 = 162,
12/18 = 12 × 9/18 × 9 = 108/162 - Add the two like fractions:
30/162 + 108/162 = 30 + 108/162 = 138/162 - 138/162 simplified gives 23/27
- So, 15/81 + 12/18 = 23/27
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