Answers

Add 98/45 and 28/80

1^st number: 2 8/45, 2^nd number: 28/80

98/45 + 28/80 is 91/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 45 × 16 = 720,
   98/45 = 98 × 16/45 × 16 = 1568/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   28/80 = 28 × 9/80 × 9 = 252/720
4. Add the two like fractions:
   1568/720 + 252/720 = 1568 + 252/720 = 1820/720
5. 1820/720 simplified gives 91/36
6. So, 98/45 + 28/80 = 91/36
   In mixed form: 219/36

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