Answers

Add 54/9 and 90/60

1^st number: 6 0/9, 2^nd number: 1 30/60

54/9 + 90/60 is 15/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 9 × 20 = 180,
   54/9 = 54 × 20/9 × 20 = 1080/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   90/60 = 90 × 3/60 × 3 = 270/180
4. Add the two like fractions:
   1080/180 + 270/180 = 1080 + 270/180 = 1350/180
5. 1350/180 simplified gives 15/2
6. So, 54/9 + 90/60 = 15/2
   In mixed form: 71/2

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