Answers

Add 25/42 and 10/25

25/42 + 10/25 is 209/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 25 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 42 × 25 = 1050,
   25/42 = 25 × 25/42 × 25 = 625/1050
3. Likewise, for the 2nd fraction, since 25 × 42 = 1050,
   10/25 = 10 × 42/25 × 42 = 420/1050
4. Add the two like fractions:
   625/1050 + 420/1050 = 625 + 420/1050 = 1045/1050
5. 1045/1050 simplified gives 209/210
6. So, 25/42 + 10/25 = 209/210

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