Solutions by everydaycalculation.com

342 + 856 is 314.

- 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,

342 = 3 × 442 × 4 = 12168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,

856 = 8 × 356 × 3 = 24168 - Add the two like fractions:

12168 + 24168 = 12 + 24168 = 36168 - 36/168 simplified gives 314
- So, 3/42 + 8/56 = 3/14

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