Add 54/81 and 6/9
54/81 + 6/9 is 4/3.
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,
54/81 = 54 × 1/81 × 1 = 54/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
6/9 = 6 × 9/9 × 9 = 54/81 - Add the two like fractions:
54/81 + 54/81 = 54 + 54/81 = 108/81 - 108/81 simplified gives 4/3
- So, 54/81 + 6/9 = 4/3
In mixed form: 11/3
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