Answers

Add 84/63 and 27/56

1^st number: 1 21/63, 2^nd number: 27/56

84/63 + 27/56 is 305/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 56 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 56 × 9 = 504,
   27/56 = 27 × 9/56 × 9 = 243/504
4. Add the two like fractions:
   672/504 + 243/504 = 672 + 243/504 = 915/504
5. 915/504 simplified gives 305/168
6. So, 84/63 + 27/56 = 305/168
   In mixed form: 1137/168

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