Answers

Add 15/84 and 81/16

1^st number: 15/84, 2^nd number: 5 1/16

15/84 + 81/16 is 587/112.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 16 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 84 × 4 = 336,
   15/84 = 15 × 4/84 × 4 = 60/336
3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
   81/16 = 81 × 21/16 × 21 = 1701/336
4. Add the two like fractions:
   60/336 + 1701/336 = 60 + 1701/336 = 1761/336
5. 1761/336 simplified gives 587/112
6. So, 15/84 + 81/16 = 587/112
   In mixed form: 527/112

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