Answers

Add 3/63 and 35/20

1^st number: 3/63, 2^nd number: 1 15/20

3/63 + 35/20 is 151/84.

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,
   3/63 = 3 × 20/63 × 20 = 60/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   35/20 = 35 × 63/20 × 63 = 2205/1260
4. Add the two like fractions:
   60/1260 + 2205/1260 = 60 + 2205/1260 = 2265/1260
5. 2265/1260 simplified gives 151/84
6. So, 3/63 + 35/20 = 151/84
   In mixed form: 167/84

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