Answers

Add 80/9 and 98/40

1^st number: 8 8/9, 2^nd number: 2 18/40

80/9 + 98/40 is 2041/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 9 × 40 = 360,
   80/9 = 80 × 40/9 × 40 = 3200/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   98/40 = 98 × 9/40 × 9 = 882/360
4. Add the two like fractions:
   3200/360 + 882/360 = 3200 + 882/360 = 4082/360
5. 4082/360 simplified gives 2041/180
6. So, 80/9 + 98/40 = 2041/180
   In mixed form: 1161/180

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