Answers

Add 30/63 and 5/12

30/63 + 5/12 is 25/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 12 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 12 × 21 = 252,
   5/12 = 5 × 21/12 × 21 = 105/252
4. Add the two like fractions:
   120/252 + 105/252 = 120 + 105/252 = 225/252
5. 225/252 simplified gives 25/28
6. So, 30/63 + 5/12 = 25/28

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