Solutions by everydaycalculation.com

1^{st} number: 8/81, 2^{nd} number: 1 11/70

881 + 8170 is 71215670.

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

LCM of 81 and 70 is**5670**

Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 81 × 70 = 5670,

881 = 8 × 7081 × 70 = 5605670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,

8170 = 81 × 8170 × 81 = 65615670 - Add the two like fractions:

5605670 + 65615670 = 560 + 65615670 = 71215670 - So, 8/81 + 81/70 = 7121/5670

In mixed form: 114515670

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