Add 81/54 and 18/9
1st number: 1 27/54, 2nd number: 2 0/9
81/54 + 18/9 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 9 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
81/54 = 81 × 1/54 × 1 = 81/54 - Likewise, for the 2nd fraction, since 9 × 6 = 54,
18/9 = 18 × 6/9 × 6 = 108/54 - Add the two like fractions:
81/54 + 108/54 = 81 + 108/54 = 189/54 - 189/54 simplified gives 7/2
- So, 81/54 + 18/9 = 7/2
In mixed form: 31/2
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