Add 15/3 and 21/54
1st number: 5 0/3, 2nd number: 21/54
15/3 + 21/54 is 97/18.
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,
15/3 = 15 × 18/3 × 18 = 270/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Add the two like fractions:
270/54 + 21/54 = 270 + 21/54 = 291/54 - 291/54 simplified gives 97/18
- So, 15/3 + 21/54 = 97/18
In mixed form: 57/18
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