Answers

Add 98/63 and 42/18

1^st number: 1 35/63, 2^nd number: 2 6/18

98/63 + 42/18 is 35/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   98/63 = 98 × 2/63 × 2 = 196/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   42/18 = 42 × 7/18 × 7 = 294/126
4. Add the two like fractions:
   196/126 + 294/126 = 196 + 294/126 = 490/126
5. 490/126 simplified gives 35/9
6. So, 98/63 + 42/18 = 35/9
   In mixed form: 38/9

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