Answers

Add 72/84 and 2/63

72/84 + 2/63 is 8/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   72/84 = 72 × 3/84 × 3 = 216/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   2/63 = 2 × 4/63 × 4 = 8/252
4. Add the two like fractions:
   216/252 + 8/252 = 216 + 8/252 = 224/252
5. 224/252 simplified gives 8/9
6. So, 72/84 + 2/63 = 8/9

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