Answers

Add 64/9 and 56/20

1^st number: 7 1/9, 2^nd number: 2 16/20

64/9 + 56/20 is 446/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 9 × 20 = 180,
   64/9 = 64 × 20/9 × 20 = 1280/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   56/20 = 56 × 9/20 × 9 = 504/180
4. Add the two like fractions:
   1280/180 + 504/180 = 1280 + 504/180 = 1784/180
5. 1784/180 simplified gives 446/45
6. So, 64/9 + 56/20 = 446/45
   In mixed form: 941/45

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