Answers

Add 72/63 and 14/84

1^st number: 1 9/63, 2^nd number: 14/84

72/63 + 14/84 is 55/42.

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,
   72/63 = 72 × 4/63 × 4 = 288/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   14/84 = 14 × 3/84 × 3 = 42/252
4. Add the two like fractions:
   288/252 + 42/252 = 288 + 42/252 = 330/252
5. 330/252 simplified gives 55/42
6. So, 72/63 + 14/84 = 55/42
   In mixed form: 113/42

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