Answers

Add 72/4 and 70/63

1^st number: 18 0/4, 2^nd number: 1 7/63

72/4 + 70/63 is 172/9.

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,
   70/63 = 70 × 4/63 × 4 = 280/252
4. Add the two like fractions:
   4536/252 + 280/252 = 4536 + 280/252 = 4816/252
5. 4816/252 simplified gives 172/9
6. So, 72/4 + 70/63 = 172/9
   In mixed form: 191/9

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