Answers

Add 18/45 and 54/25

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

18/45 + 54/25 is 64/25.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 25 is 225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 225
2. For the 1st fraction, since 45 × 5 = 225,
   18/45 = 18 × 5/45 × 5 = 90/225
3. Likewise, for the 2nd fraction, since 25 × 9 = 225,
   54/25 = 54 × 9/25 × 9 = 486/225
4. Add the two like fractions:
   90/225 + 486/225 = 90 + 486/225 = 576/225
5. 576/225 simplified gives 64/25
6. So, 18/45 + 54/25 = 64/25
   In mixed form: 214/25

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