Answers

Add 40/84 and 20/18

1^st number: 40/84, 2^nd number: 1 2/18

40/84 + 20/18 is 100/63.

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,
   20/18 = 20 × 14/18 × 14 = 280/252
4. Add the two like fractions:
   120/252 + 280/252 = 120 + 280/252 = 400/252
5. 400/252 simplified gives 100/63
6. So, 40/84 + 20/18 = 100/63
   In mixed form: 137/63

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