Answers

Add 21/63 and 42/18

1^st number: 21/63, 2^nd number: 2 6/18

21/63 + 42/18 is 8/3.

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,
   21/63 = 21 × 2/63 × 2 = 42/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   42/18 = 42 × 7/18 × 7 = 294/126
4. Add the two like fractions:
   42/126 + 294/126 = 42 + 294/126 = 336/126
5. 336/126 simplified gives 8/3
6. So, 21/63 + 42/18 = 8/3
   In mixed form: 22/3

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