Add 27/30 and 12/9
1st number: 27/30, 2nd number: 1 3/9
27/30 + 12/9 is 67/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
27/30 = 27 × 3/30 × 3 = 81/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
12/9 = 12 × 10/9 × 10 = 120/90 - Add the two like fractions:
81/90 + 120/90 = 81 + 120/90 = 201/90 - 201/90 simplified gives 67/30
- So, 27/30 + 12/9 = 67/30
In mixed form: 27/30
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