Answers

Add 90/6 and 63/20

1^st number: 15 0/6, 2^nd number: 3 3/20

90/6 + 63/20 is 363/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 20 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 6 × 10 = 60,
   90/6 = 90 × 10/6 × 10 = 900/60
3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
   63/20 = 63 × 3/20 × 3 = 189/60
4. Add the two like fractions:
   900/60 + 189/60 = 900 + 189/60 = 1089/60
5. 1089/60 simplified gives 363/20
6. So, 90/6 + 63/20 = 363/20
   In mixed form: 183/20

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