Answers

Add 18/63 and 90/4

1^st number: 18/63, 2^nd number: 22 2/4

18/63 + 90/4 is 319/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 4 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   18/63 = 18 × 4/63 × 4 = 72/252
3. Likewise, for the 2nd fraction, since 4 × 63 = 252,
   90/4 = 90 × 63/4 × 63 = 5670/252
4. Add the two like fractions:
   72/252 + 5670/252 = 72 + 5670/252 = 5742/252
5. 5742/252 simplified gives 319/14
6. So, 18/63 + 90/4 = 319/14
   In mixed form: 2211/14

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