Add 18/81 and 12/9
1st number: 18/81, 2nd number: 1 3/9
18/81 + 12/9 is 14/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
18/81 = 18 × 1/81 × 1 = 18/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
12/9 = 12 × 9/9 × 9 = 108/81 - Add the two like fractions:
18/81 + 108/81 = 18 + 108/81 = 126/81 - 126/81 simplified gives 14/9
- So, 18/81 + 12/9 = 14/9
In mixed form: 15/9
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