Answers

Add 18/84 and 50/56

18/84 + 50/56 is 31/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 84 × 2 = 168,
   18/84 = 18 × 2/84 × 2 = 36/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   50/56 = 50 × 3/56 × 3 = 150/168
4. Add the two like fractions:
   36/168 + 150/168 = 36 + 150/168 = 186/168
5. 186/168 simplified gives 31/28
6. So, 18/84 + 50/56 = 31/28
   In mixed form: 13/28

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