Answers

Add 9/42 and 45/63

9/42 + 45/63 is 13/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   9/42 = 9 × 3/42 × 3 = 27/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   45/63 = 45 × 2/63 × 2 = 90/126
4. Add the two like fractions:
   27/126 + 90/126 = 27 + 90/126 = 117/126
5. 117/126 simplified gives 13/14
6. So, 9/42 + 45/63 = 13/14

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