Answers

Add 40/84 and 7/18

40/84 + 7/18 is 109/126.

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,
   40/84 = 40 × 3/84 × 3 = 120/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   7/18 = 7 × 14/18 × 14 = 98/252
4. Add the two like fractions:
   120/252 + 98/252 = 120 + 98/252 = 218/252
5. 218/252 simplified gives 109/126
6. So, 40/84 + 7/18 = 109/126

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