Add 15/54 and 21/3
1st number: 15/54, 2nd number: 7 0/3
15/54 + 21/3 is 131/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 3 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
15/54 = 15 × 1/54 × 1 = 15/54 - Likewise, for the 2nd fraction, since 3 × 18 = 54,
21/3 = 21 × 18/3 × 18 = 378/54 - Add the two like fractions:
15/54 + 378/54 = 15 + 378/54 = 393/54 - 393/54 simplified gives 131/18
- So, 15/54 + 21/3 = 131/18
In mixed form: 75/18
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