Add 27/30 and 20/15
1st number: 27/30, 2nd number: 1 5/15
27/30 + 20/15 is 67/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
27/30 = 27 × 1/30 × 1 = 27/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
20/15 = 20 × 2/15 × 2 = 40/30 - Add the two like fractions:
27/30 + 40/30 = 27 + 40/30 = 67/30 - So, 27/30 + 20/15 = 67/30
In mixed form: 27/30
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