Solutions by everydaycalculation.com

1^{st} number: 27 0/3, 2^{nd} number: 6 9/12

813 + 8112 is 1354.

- Find the least common denominator or LCM of the two denominators:

LCM of 3 and 12 is**12**

Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,

813 = 81 × 43 × 4 = 32412 - Likewise, for the 2nd fraction, since 12 × 1 = 12,

8112 = 81 × 112 × 1 = 8112 - Add the two like fractions:

32412 + 8112 = 324 + 8112 = 40512 - 405/12 simplified gives 1354
- So, 81/3 + 81/12 = 135/4

In mixed form: 3334

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