Answers

Add 28/84 and 3/18

28/84 + 3/18 is 1/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 18 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   28/84 = 28 × 3/84 × 3 = 84/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   3/18 = 3 × 14/18 × 14 = 42/252
4. Add the two like fractions:
   84/252 + 42/252 = 84 + 42/252 = 126/252
5. 126/252 simplified gives 1/2
6. So, 28/84 + 3/18 = 1/2

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