Answers

Add 18/84 and 72/49

1^st number: 18/84, 2^nd number: 1 23/49

18/84 + 72/49 is 165/98.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 49 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 84 × 7 = 588,
   18/84 = 18 × 7/84 × 7 = 126/588
3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
   72/49 = 72 × 12/49 × 12 = 864/588
4. Add the two like fractions:
   126/588 + 864/588 = 126 + 864/588 = 990/588
5. 990/588 simplified gives 165/98
6. So, 18/84 + 72/49 = 165/98
   In mixed form: 167/98

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