Add 81/18 and 12/54
1st number: 4 9/18, 2nd number: 12/54
81/18 + 12/54 is 85/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
81/18 = 81 × 3/18 × 3 = 243/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
12/54 = 12 × 1/54 × 1 = 12/54 - Add the two like fractions:
243/54 + 12/54 = 243 + 12/54 = 255/54 - 255/54 simplified gives 85/18
- So, 81/18 + 12/54 = 85/18
In mixed form: 413/18
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