Answers

Add 28/84 and 12/50

28/84 + 12/50 is 43/75.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 50 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 84 × 25 = 2100,
   28/84 = 28 × 25/84 × 25 = 700/2100
3. Likewise, for the 2nd fraction, since 50 × 42 = 2100,
   12/50 = 12 × 42/50 × 42 = 504/2100
4. Add the two like fractions:
   700/2100 + 504/2100 = 700 + 504/2100 = 1204/2100
5. 1204/2100 simplified gives 43/75
6. So, 28/84 + 12/50 = 43/75

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