Answers

Add 81/27 and 70/80

1^st number: 3 0/27, 2^nd number: 70/80

81/27 + 70/80 is 31/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 80 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 27 × 80 = 2160,
   81/27 = 81 × 80/27 × 80 = 6480/2160
3. Likewise, for the 2nd fraction, since 80 × 27 = 2160,
   70/80 = 70 × 27/80 × 27 = 1890/2160
4. Add the two like fractions:
   6480/2160 + 1890/2160 = 6480 + 1890/2160 = 8370/2160
5. 8370/2160 simplified gives 31/8
6. So, 81/27 + 70/80 = 31/8
   In mixed form: 37/8

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