Add 81/3 and 30/18
1st number: 27 0/3, 2nd number: 1 12/18
81/3 + 30/18 is 86/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
81/3 = 81 × 6/3 × 6 = 486/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
30/18 = 30 × 1/18 × 1 = 30/18 - Add the two like fractions:
486/18 + 30/18 = 486 + 30/18 = 516/18 - 516/18 simplified gives 86/3
- So, 81/3 + 30/18 = 86/3
In mixed form: 282/3
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