Answers

Add 25/63 and 18/42

25/63 + 18/42 is 52/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 42 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   25/63 = 25 × 2/63 × 2 = 50/126
3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
   18/42 = 18 × 3/42 × 3 = 54/126
4. Add the two like fractions:
   50/126 + 54/126 = 50 + 54/126 = 104/126
5. 104/126 simplified gives 52/63
6. So, 25/63 + 18/42 = 52/63

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