Answers

Add 35/21 and 70/63

1^st number: 1 14/21, 2^nd number: 1 7/63

35/21 + 70/63 is 25/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 63 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 21 × 3 = 63,
   35/21 = 35 × 3/21 × 3 = 105/63
3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
   70/63 = 70 × 1/63 × 1 = 70/63
4. Add the two like fractions:
   105/63 + 70/63 = 105 + 70/63 = 175/63
5. 175/63 simplified gives 25/9
6. So, 35/21 + 70/63 = 25/9
   In mixed form: 27/9

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