Answers

Add 63/2 and 20/72

1^st number: 31 1/2, 2^nd number: 20/72

63/2 + 20/72 is 286/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 2 × 36 = 72,
   63/2 = 63 × 36/2 × 36 = 2268/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   20/72 = 20 × 1/72 × 1 = 20/72
4. Add the two like fractions:
   2268/72 + 20/72 = 2268 + 20/72 = 2288/72
5. 2288/72 simplified gives 286/9
6. So, 63/2 + 20/72 = 286/9
   In mixed form: 317/9

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