Answers

Add 4/42 and 15/56

4/42 + 15/56 is 61/168.

Steps for adding fractions

1. 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
2. For the 1st fraction, since 42 × 4 = 168,
   4/42 = 4 × 4/42 × 4 = 16/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   15/56 = 15 × 3/56 × 3 = 45/168
4. Add the two like fractions:
   16/168 + 45/168 = 16 + 45/168 = 61/168
5. So, 4/42 + 15/56 = 61/168

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