Answers

Add 72/4 and 42/63

1^st number: 18 0/4, 2^nd number: 42/63

72/4 + 42/63 is 56/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 4 × 63 = 252,
   72/4 = 72 × 63/4 × 63 = 4536/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   42/63 = 42 × 4/63 × 4 = 168/252
4. Add the two like fractions:
   4536/252 + 168/252 = 4536 + 168/252 = 4704/252
5. 4704/252 simplified gives 56/3
6. So, 72/4 + 42/63 = 56/3
   In mixed form: 182/3

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