Answers

Add 30/16 and 81/72

1^st number: 1 14/16, 2^nd number: 1 9/72

30/16 + 81/72 is 3/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 72 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 16 × 9 = 144,
   30/16 = 30 × 9/16 × 9 = 270/144
3. Likewise, for the 2nd fraction, since 72 × 2 = 144,
   81/72 = 81 × 2/72 × 2 = 162/144
4. Add the two like fractions:
   270/144 + 162/144 = 270 + 162/144 = 432/144
5. 432/144 simplified gives 3/1
6. So, 30/16 + 81/72 = 3/1

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