Add 20/3 and 15/81
1st number: 6 2/3, 2nd number: 15/81
20/3 + 15/81 is 185/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 3 × 27 = 81,
20/3 = 20 × 27/3 × 27 = 540/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
15/81 = 15 × 1/81 × 1 = 15/81 - Add the two like fractions:
540/81 + 15/81 = 540 + 15/81 = 555/81 - 555/81 simplified gives 185/27
- So, 20/3 + 15/81 = 185/27
In mixed form: 623/27
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