Answers

Add 84/18 and 25/45

1^st number: 4 12/18, 2^nd number: 25/45

84/18 + 25/45 is 47/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 18 × 5 = 90,
   84/18 = 84 × 5/18 × 5 = 420/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   25/45 = 25 × 2/45 × 2 = 50/90
4. Add the two like fractions:
   420/90 + 50/90 = 420 + 50/90 = 470/90
5. 470/90 simplified gives 47/9
6. So, 84/18 + 25/45 = 47/9
   In mixed form: 52/9

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