Answers

Add 35/28 and 84/63

1^st number: 1 7/28, 2^nd number: 1 21/63

35/28 + 84/63 is 31/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 28 × 9 = 252,
   35/28 = 35 × 9/28 × 9 = 315/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   84/63 = 84 × 4/63 × 4 = 336/252
4. Add the two like fractions:
   315/252 + 336/252 = 315 + 336/252 = 651/252
5. 651/252 simplified gives 31/12
6. So, 35/28 + 84/63 = 31/12
   In mixed form: 27/12

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