Answers

Add 20/9 and 80/45

1^st number: 2 2/9, 2^nd number: 1 35/45

20/9 + 80/45 is 4/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 45 is 45
   
   Next, find the equivalent fraction of both fractional numbers with denominator 45
2. For the 1st fraction, since 9 × 5 = 45,
   20/9 = 20 × 5/9 × 5 = 100/45
3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
   80/45 = 80 × 1/45 × 1 = 80/45
4. Add the two like fractions:
   100/45 + 80/45 = 100 + 80/45 = 180/45
5. 180/45 simplified gives 4/1
6. So, 20/9 + 80/45 = 4/1

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