Answers

Add 8/36 and 42/63

8/36 + 42/63 is 8/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 36 × 7 = 252,
   8/36 = 8 × 7/36 × 7 = 56/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   42/63 = 42 × 4/63 × 4 = 168/252
4. Add the two like fractions:
   56/252 + 168/252 = 56 + 168/252 = 224/252
5. 224/252 simplified gives 8/9
6. So, 8/36 + 42/63 = 8/9

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