Answers

Add 48/63 and 28/20

1^st number: 48/63, 2^nd number: 1 8/20

48/63 + 28/20 is 227/105.

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,
   48/63 = 48 × 20/63 × 20 = 960/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   28/20 = 28 × 63/20 × 63 = 1764/1260
4. Add the two like fractions:
   960/1260 + 1764/1260 = 960 + 1764/1260 = 2724/1260
5. 2724/1260 simplified gives 227/105
6. So, 48/63 + 28/20 = 227/105
   In mixed form: 217/105

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