Answers

Add 25/42 and 10/84

25/42 + 10/84 is 5/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 42 × 2 = 84,
   25/42 = 25 × 2/42 × 2 = 50/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   10/84 = 10 × 1/84 × 1 = 10/84
4. Add the two like fractions:
   50/84 + 10/84 = 50 + 10/84 = 60/84
5. 60/84 simplified gives 5/7
6. So, 25/42 + 10/84 = 5/7

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