Add 28/12 and 45/81
1st number: 2 4/12, 2nd number: 45/81
28/12 + 45/81 is 26/9.
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,
45/81 = 45 × 4/81 × 4 = 180/324 - Add the two like fractions:
756/324 + 180/324 = 756 + 180/324 = 936/324 - 936/324 simplified gives 26/9
- So, 28/12 + 45/81 = 26/9
In mixed form: 28/9
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