Answers

Add 8/63 and 35/20

1^st number: 8/63, 2^nd number: 1 15/20

8/63 + 35/20 is 473/252.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 20 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   8/63 = 8 × 20/63 × 20 = 160/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   35/20 = 35 × 63/20 × 63 = 2205/1260
4. Add the two like fractions:
   160/1260 + 2205/1260 = 160 + 2205/1260 = 2365/1260
5. 2365/1260 simplified gives 473/252
6. So, 8/63 + 35/20 = 473/252
   In mixed form: 1221/252

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