Answers

Add 14/7 and 63/72

1^st number: 2 0/7, 2^nd number: 63/72

14/7 + 63/72 is 23/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 7 × 72 = 504,
   14/7 = 14 × 72/7 × 72 = 1008/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   63/72 = 63 × 7/72 × 7 = 441/504
4. Add the two like fractions:
   1008/504 + 441/504 = 1008 + 441/504 = 1449/504
5. 1449/504 simplified gives 23/8
6. So, 14/7 + 63/72 = 23/8
   In mixed form: 27/8

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