Answers

Add 54/18 and 90/45

1^st number: 3 0/18, 2^nd number: 2 0/45

54/18 + 90/45 is 5/1.

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,
   54/18 = 54 × 5/18 × 5 = 270/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   90/45 = 90 × 2/45 × 2 = 180/90
4. Add the two like fractions:
   270/90 + 180/90 = 270 + 180/90 = 450/90
5. 450/90 simplified gives 5/1
6. So, 54/18 + 90/45 = 5/1

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