Add 21/3 and 27/54
1st number: 7 0/3, 2nd number: 27/54
21/3 + 27/54 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 3 × 18 = 54,
21/3 = 21 × 18/3 × 18 = 378/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
27/54 = 27 × 1/54 × 1 = 27/54 - Add the two like fractions:
378/54 + 27/54 = 378 + 27/54 = 405/54 - 405/54 simplified gives 15/2
- So, 21/3 + 27/54 = 15/2
In mixed form: 71/2
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