Answers

Add 63/21 and 35/18

1^st number: 3 0/21, 2^nd number: 1 17/18

63/21 + 35/18 is 89/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 21 × 6 = 126,
   63/21 = 63 × 6/21 × 6 = 378/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   35/18 = 35 × 7/18 × 7 = 245/126
4. Add the two like fractions:
   378/126 + 245/126 = 378 + 245/126 = 623/126
5. 623/126 simplified gives 89/18
6. So, 63/21 + 35/18 = 89/18
   In mixed form: 417/18

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