Answers

Add 84/48 and 75/90

1^st number: 1 36/48, 2^nd number: 75/90

84/48 + 75/90 is 31/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 90 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 90 × 8 = 720,
   75/90 = 75 × 8/90 × 8 = 600/720
4. Add the two like fractions:
   1260/720 + 600/720 = 1260 + 600/720 = 1860/720
5. 1860/720 simplified gives 31/12
6. So, 84/48 + 75/90 = 31/12
   In mixed form: 27/12

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