Answers

Add 84/63 and 9/8

1^st number: 1 21/63, 2^nd number: 1 1/8

84/63 + 9/8 is 59/24.

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,
   84/63 = 84 × 8/63 × 8 = 672/504
3. Likewise, for the 2nd fraction, since 8 × 63 = 504,
   9/8 = 9 × 63/8 × 63 = 567/504
4. Add the two like fractions:
   672/504 + 567/504 = 672 + 567/504 = 1239/504
5. 1239/504 simplified gives 59/24
6. So, 84/63 + 9/8 = 59/24
   In mixed form: 211/24

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