Answers

Add 6/42 and 45/63

6/42 + 45/63 is 6/7.

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,
   6/42 = 6 × 3/42 × 3 = 18/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   45/63 = 45 × 2/63 × 2 = 90/126
4. Add the two like fractions:
   18/126 + 90/126 = 18 + 90/126 = 108/126
5. 108/126 simplified gives 6/7
6. So, 6/42 + 45/63 = 6/7

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