Answers

Add 81/16 and 56/15

1^st number: 5 1/16, 2^nd number: 3 11/15

81/16 + 56/15 is 2111/240.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 15 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 16 × 15 = 240,
   81/16 = 81 × 15/16 × 15 = 1215/240
3. Likewise, for the 2nd fraction, since 15 × 16 = 240,
   56/15 = 56 × 16/15 × 16 = 896/240
4. Add the two like fractions:
   1215/240 + 896/240 = 1215 + 896/240 = 2111/240
5. So, 81/16 + 56/15 = 2111/240
   In mixed form: 8191/240

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