Add 28/81 and 84/12
1st number: 28/81, 2nd number: 7 0/12
28/81 + 84/12 is 595/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 12 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
28/81 = 28 × 4/81 × 4 = 112/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
84/12 = 84 × 27/12 × 27 = 2268/324 - Add the two like fractions:
112/324 + 2268/324 = 112 + 2268/324 = 2380/324 - 2380/324 simplified gives 595/81
- So, 28/81 + 84/12 = 595/81
In mixed form: 728/81
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