Answers

Add 21/84 and 84/49

1^st number: 21/84, 2^nd number: 1 35/49

21/84 + 84/49 is 55/28.

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,
   21/84 = 21 × 7/84 × 7 = 147/588
3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
   84/49 = 84 × 12/49 × 12 = 1008/588
4. Add the two like fractions:
   147/588 + 1008/588 = 147 + 1008/588 = 1155/588
5. 1155/588 simplified gives 55/28
6. So, 21/84 + 84/49 = 55/28
   In mixed form: 127/28

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