Add 81/2 and 30/27
1st number: 40 1/2, 2nd number: 1 3/27
81/2 + 30/27 is 749/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 2 × 27 = 54,
81/2 = 81 × 27/2 × 27 = 2187/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
30/27 = 30 × 2/27 × 2 = 60/54 - Add the two like fractions:
2187/54 + 60/54 = 2187 + 60/54 = 2247/54 - 2247/54 simplified gives 749/18
- So, 81/2 + 30/27 = 749/18
In mixed form: 4111/18
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