Answers

Add 1/56 and 21/42

1/56 + 21/42 is 29/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 42 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 56 × 3 = 168,
   1/56 = 1 × 3/56 × 3 = 3/168
3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
   21/42 = 21 × 4/42 × 4 = 84/168
4. Add the two like fractions:
   3/168 + 84/168 = 3 + 84/168 = 87/168
5. 87/168 simplified gives 29/56
6. So, 1/56 + 21/42 = 29/56

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