Answers

Add 18/42 and 7/56

18/42 + 7/56 is 31/56.

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,
   18/42 = 18 × 4/42 × 4 = 72/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   7/56 = 7 × 3/56 × 3 = 21/168
4. Add the two like fractions:
   72/168 + 21/168 = 72 + 21/168 = 93/168
5. 93/168 simplified gives 31/56
6. So, 18/42 + 7/56 = 31/56

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