Add 27/8 and 18/81
1st number: 3 3/8, 2nd number: 18/81
27/8 + 18/81 is 259/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 8 × 81 = 648,
27/8 = 27 × 81/8 × 81 = 2187/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
18/81 = 18 × 8/81 × 8 = 144/648 - Add the two like fractions:
2187/648 + 144/648 = 2187 + 144/648 = 2331/648 - 2331/648 simplified gives 259/72
- So, 27/8 + 18/81 = 259/72
In mixed form: 343/72
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