Answers

Add 18/84 and 40/7

1^st number: 18/84, 2^nd number: 5 5/7

18/84 + 40/7 is 83/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 7 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   18/84 = 18 × 1/84 × 1 = 18/84
3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
   40/7 = 40 × 12/7 × 12 = 480/84
4. Add the two like fractions:
   18/84 + 480/84 = 18 + 480/84 = 498/84
5. 498/84 simplified gives 83/14
6. So, 18/84 + 40/7 = 83/14
   In mixed form: 513/14

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