Answers

Add 81/49 and 12/80

1^st number: 1 32/49, 2^nd number: 12/80

81/49 + 12/80 is 1767/980.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 80 is 3920
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3920
2. For the 1st fraction, since 49 × 80 = 3920,
   81/49 = 81 × 80/49 × 80 = 6480/3920
3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
   12/80 = 12 × 49/80 × 49 = 588/3920
4. Add the two like fractions:
   6480/3920 + 588/3920 = 6480 + 588/3920 = 7068/3920
5. 7068/3920 simplified gives 1767/980
6. So, 81/49 + 12/80 = 1767/980
   In mixed form: 1787/980

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