Answers

Add 18/63 and 90/48

1^st number: 18/63, 2^nd number: 1 42/48

18/63 + 90/48 is 121/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 48 is 1008
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1008
2. For the 1st fraction, since 63 × 16 = 1008,
   18/63 = 18 × 16/63 × 16 = 288/1008
3. Likewise, for the 2nd fraction, since 48 × 21 = 1008,
   90/48 = 90 × 21/48 × 21 = 1890/1008
4. Add the two like fractions:
   288/1008 + 1890/1008 = 288 + 1890/1008 = 2178/1008
5. 2178/1008 simplified gives 121/56
6. So, 18/63 + 90/48 = 121/56
   In mixed form: 29/56

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