Answers

Add 42/84 and 7/18

42/84 + 7/18 is 8/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 18 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   42/84 = 42 × 3/84 × 3 = 126/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   7/18 = 7 × 14/18 × 14 = 98/252
4. Add the two like fractions:
   126/252 + 98/252 = 126 + 98/252 = 224/252
5. 224/252 simplified gives 8/9
6. So, 42/84 + 7/18 = 8/9

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