Answers

Add 54/45 and 18/90

1^st number: 1 9/45, 2^nd number: 18/90

54/45 + 18/90 is 7/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 45 × 2 = 90,
   54/45 = 54 × 2/45 × 2 = 108/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   18/90 = 18 × 1/90 × 1 = 18/90
4. Add the two like fractions:
   108/90 + 18/90 = 108 + 18/90 = 126/90
5. 126/90 simplified gives 7/5
6. So, 54/45 + 18/90 = 7/5
   In mixed form: 12/5

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