Answers

Add 20/63 and 98/30

1^st number: 20/63, 2^nd number: 3 8/30

20/63 + 98/30 is 1129/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 30 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   20/63 = 20 × 10/63 × 10 = 200/630
3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
   98/30 = 98 × 21/30 × 21 = 2058/630
4. Add the two like fractions:
   200/630 + 2058/630 = 200 + 2058/630 = 2258/630
5. 2258/630 simplified gives 1129/315
6. So, 20/63 + 98/30 = 1129/315
   In mixed form: 3184/315

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