Answers

Add 56/63 and 15/84

56/63 + 15/84 is 269/252.

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,
   56/63 = 56 × 4/63 × 4 = 224/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   15/84 = 15 × 3/84 × 3 = 45/252
4. Add the two like fractions:
   224/252 + 45/252 = 224 + 45/252 = 269/252
5. So, 56/63 + 15/84 = 269/252
   In mixed form: 117/252

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