Answers

Add 35/45 and 63/21

1^st number: 35/45, 2^nd number: 3 0/21

35/45 + 63/21 is 34/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 21 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   35/45 = 35 × 7/45 × 7 = 245/315
3. Likewise, for the 2nd fraction, since 21 × 15 = 315,
   63/21 = 63 × 15/21 × 15 = 945/315
4. Add the two like fractions:
   245/315 + 945/315 = 245 + 945/315 = 1190/315
5. 1190/315 simplified gives 34/9
6. So, 35/45 + 63/21 = 34/9
   In mixed form: 37/9

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