Answers

Add 20/42 and 6/56

20/42 + 6/56 is 7/12.

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,
   20/42 = 20 × 4/42 × 4 = 80/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   6/56 = 6 × 3/56 × 3 = 18/168
4. Add the two like fractions:
   80/168 + 18/168 = 80 + 18/168 = 98/168
5. 98/168 simplified gives 7/12
6. So, 20/42 + 6/56 = 7/12

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