Solutions by everydaycalculation.com

1^{st} number: 2/7, 2^{nd} number: 1 12/72

27 + 8472 is 6142.

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

LCM of 7 and 72 is**504**

Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,

27 = 2 × 727 × 72 = 144504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,

8472 = 84 × 772 × 7 = 588504 - Add the two like fractions:

144504 + 588504 = 144 + 588504 = 732504 - 732/504 simplified gives 6142
- So, 2/7 + 84/72 = 61/42

In mixed form: 11942

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