Answers

Add 84/20 and 56/9

1^st number: 4 4/20, 2^nd number: 6 2/9

84/20 + 56/9 is 469/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 9 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   84/20 = 84 × 9/20 × 9 = 756/180
3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
   56/9 = 56 × 20/9 × 20 = 1120/180
4. Add the two like fractions:
   756/180 + 1120/180 = 756 + 1120/180 = 1876/180
5. 1876/180 simplified gives 469/45
6. So, 84/20 + 56/9 = 469/45
   In mixed form: 1019/45

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