Answers

Add 25/75 and 18/84

25/75 + 18/84 is 23/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 84 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 75 × 28 = 2100,
   25/75 = 25 × 28/75 × 28 = 700/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   18/84 = 18 × 25/84 × 25 = 450/2100
4. Add the two like fractions:
   700/2100 + 450/2100 = 700 + 450/2100 = 1150/2100
5. 1150/2100 simplified gives 23/42
6. So, 25/75 + 18/84 = 23/42

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