Answers

Add 30/63 and 75/84

30/63 + 75/84 is 115/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   30/63 = 30 × 4/63 × 4 = 120/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   75/84 = 75 × 3/84 × 3 = 225/252
4. Add the two like fractions:
   120/252 + 225/252 = 120 + 225/252 = 345/252
5. 345/252 simplified gives 115/84
6. So, 30/63 + 75/84 = 115/84
   In mixed form: 131/84

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