Answers

Add 49/18 and 90/63

1^st number: 2 13/18, 2^nd number: 1 27/63

49/18 + 90/63 is 523/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   49/18 = 49 × 7/18 × 7 = 343/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   90/63 = 90 × 2/63 × 2 = 180/126
4. Add the two like fractions:
   343/126 + 180/126 = 343 + 180/126 = 523/126
5. So, 49/18 + 90/63 = 523/126
   In mixed form: 419/126

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