Answers

Add 84/48 and 9/45

1^st number: 1 36/48, 2^nd number: 9/45

84/48 + 9/45 is 39/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 45 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 48 × 15 = 720,
   84/48 = 84 × 15/48 × 15 = 1260/720
3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
   9/45 = 9 × 16/45 × 16 = 144/720
4. Add the two like fractions:
   1260/720 + 144/720 = 1260 + 144/720 = 1404/720
5. 1404/720 simplified gives 39/20
6. So, 84/48 + 9/45 = 39/20
   In mixed form: 119/20

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