Answers

Add 60/63 and 63/20

1^st number: 60/63, 2^nd number: 3 3/20

60/63 + 63/20 is 1723/420.

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,
   60/63 = 60 × 20/63 × 20 = 1200/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   63/20 = 63 × 63/20 × 63 = 3969/1260
4. Add the two like fractions:
   1200/1260 + 3969/1260 = 1200 + 3969/1260 = 5169/1260
5. 5169/1260 simplified gives 1723/420
6. So, 60/63 + 63/20 = 1723/420
   In mixed form: 443/420

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