Answers

Add 56/9 and 98/80

1^st number: 6 2/9, 2^nd number: 1 18/80

56/9 + 98/80 is 2681/360.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 9 × 80 = 720,
   56/9 = 56 × 80/9 × 80 = 4480/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   98/80 = 98 × 9/80 × 9 = 882/720
4. Add the two like fractions:
   4480/720 + 882/720 = 4480 + 882/720 = 5362/720
5. 5362/720 simplified gives 2681/360
6. So, 56/9 + 98/80 = 2681/360
   In mixed form: 7161/360

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