Answers

Add 9/12 and 8/42

9/12 + 8/42 is 79/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 42 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   9/12 = 9 × 7/12 × 7 = 63/84
3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
   8/42 = 8 × 2/42 × 2 = 16/84
4. Add the two like fractions:
   63/84 + 16/84 = 63 + 16/84 = 79/84
5. So, 9/12 + 8/42 = 79/84

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