Answers

Add 18/63 and 20/8

1^st number: 18/63, 2^nd number: 2 4/8

18/63 + 20/8 is 39/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 8 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   18/63 = 18 × 8/63 × 8 = 144/504
3. Likewise, for the 2nd fraction, since 8 × 63 = 504,
   20/8 = 20 × 63/8 × 63 = 1260/504
4. Add the two like fractions:
   144/504 + 1260/504 = 144 + 1260/504 = 1404/504
5. 1404/504 simplified gives 39/14
6. So, 18/63 + 20/8 = 39/14
   In mixed form: 211/14

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