Solutions by everydaycalculation.com

1^{st} number: 1/42, 2^{nd} number: 1 28/56

142 + 8456 is 3221.

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

LCM of 42 and 56 is**168**

Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,

142 = 1 × 442 × 4 = 4168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,

8456 = 84 × 356 × 3 = 252168 - Add the two like fractions:

4168 + 252168 = 4 + 252168 = 256168 - 256/168 simplified gives 3221
- So, 1/42 + 84/56 = 32/21

In mixed form: 11121

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