Add 81/18 and 90/27
1st number: 4 9/18, 2nd number: 3 9/27
81/18 + 90/27 is 47/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 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 27 × 2 = 54,
90/27 = 90 × 2/27 × 2 = 180/54 - Add the two like fractions:
243/54 + 180/54 = 243 + 180/54 = 423/54 - 423/54 simplified gives 47/6
- So, 81/18 + 90/27 = 47/6
In mixed form: 75/6
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