Answers

Add 35/63 and 7/42

35/63 + 7/42 is 13/18.

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,
   35/63 = 35 × 2/63 × 2 = 70/126
3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
   7/42 = 7 × 3/42 × 3 = 21/126
4. Add the two like fractions:
   70/126 + 21/126 = 70 + 21/126 = 91/126
5. 91/126 simplified gives 13/18
6. So, 35/63 + 7/42 = 13/18

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