Solutions by everydaycalculation.com

142 + 4056 is 3142.

- 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,

4056 = 40 × 356 × 3 = 120168 - Add the two like fractions:

4168 + 120168 = 4 + 120168 = 124168 - 124/168 simplified gives 3142
- So, 1/42 + 40/56 = 31/42

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