Answers

Add 30/20 and 50/63

1^st number: 1 10/20, 2^nd number: 50/63

30/20 + 50/63 is 289/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 20 × 63 = 1260,
   30/20 = 30 × 63/20 × 63 = 1890/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   50/63 = 50 × 20/63 × 20 = 1000/1260
4. Add the two like fractions:
   1890/1260 + 1000/1260 = 1890 + 1000/1260 = 2890/1260
5. 2890/1260 simplified gives 289/126
6. So, 30/20 + 50/63 = 289/126
   In mixed form: 237/126

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