Answers

Add 49/63 and 42/18

1^st number: 49/63, 2^nd number: 2 6/18

49/63 + 42/18 is 28/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 63 × 2 = 126,
   49/63 = 49 × 2/63 × 2 = 98/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   42/18 = 42 × 7/18 × 7 = 294/126
4. Add the two like fractions:
   98/126 + 294/126 = 98 + 294/126 = 392/126
5. 392/126 simplified gives 28/9
6. So, 49/63 + 42/18 = 28/9
   In mixed form: 31/9

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