Answers

Add 16/54 and 81/80

1^st number: 16/54, 2^nd number: 1 1/80

16/54 + 81/80 is 2827/2160.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 80 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 54 × 40 = 2160,
   16/54 = 16 × 40/54 × 40 = 640/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   81/80 = 81 × 27/80 × 27 = 2187/2160
4. Add the two like fractions:
   640/2160 + 2187/2160 = 640 + 2187/2160 = 2827/2160
5. So, 16/54 + 81/80 = 2827/2160
   In mixed form: 1667/2160

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