Answers

Add 15/72 and 81/16

1^st number: 15/72, 2^nd number: 5 1/16

15/72 + 81/16 is 253/48.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 16 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 72 × 2 = 144,
   15/72 = 15 × 2/72 × 2 = 30/144
3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
   81/16 = 81 × 9/16 × 9 = 729/144
4. Add the two like fractions:
   30/144 + 729/144 = 30 + 729/144 = 759/144
5. 759/144 simplified gives 253/48
6. So, 15/72 + 81/16 = 253/48
   In mixed form: 513/48

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