Add 28/12 and 15/81
1st number: 2 4/12, 2nd number: 15/81
28/12 + 15/81 is 68/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
28/12 = 28 × 27/12 × 27 = 756/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
15/81 = 15 × 4/81 × 4 = 60/324 - Add the two like fractions:
756/324 + 60/324 = 756 + 60/324 = 816/324 - 816/324 simplified gives 68/27
- So, 28/12 + 15/81 = 68/27
In mixed form: 214/27
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