Add 21/81 and 2/6
21/81 + 2/6 is 16/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 6 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
21/81 = 21 × 2/81 × 2 = 42/162 - Likewise, for the 2nd fraction, since 6 × 27 = 162,
2/6 = 2 × 27/6 × 27 = 54/162 - Add the two like fractions:
42/162 + 54/162 = 42 + 54/162 = 96/162 - 96/162 simplified gives 16/27
- So, 21/81 + 2/6 = 16/27
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