Add 15/2 and 20/27
1st number: 7 1/2, 2nd number: 20/27
15/2 + 20/27 is 445/54.
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,
15/2 = 15 × 27/2 × 27 = 405/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
20/27 = 20 × 2/27 × 2 = 40/54 - Add the two like fractions:
405/54 + 40/54 = 405 + 40/54 = 445/54 - So, 15/2 + 20/27 = 445/54
In mixed form: 813/54
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