Answers

Add 9/42 and 28/56

9/42 + 28/56 is 5/7.

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,
   9/42 = 9 × 4/42 × 4 = 36/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   28/56 = 28 × 3/56 × 3 = 84/168
4. Add the two like fractions:
   36/168 + 84/168 = 36 + 84/168 = 120/168
5. 120/168 simplified gives 5/7
6. So, 9/42 + 28/56 = 5/7

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