Answers

Add 54/60 and 90/45

1^st number: 54/60, 2^nd number: 2 0/45

54/60 + 90/45 is 29/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   54/60 = 54 × 3/60 × 3 = 162/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   90/45 = 90 × 4/45 × 4 = 360/180
4. Add the two like fractions:
   162/180 + 360/180 = 162 + 360/180 = 522/180
5. 522/180 simplified gives 29/10
6. So, 54/60 + 90/45 = 29/10
   In mixed form: 29/10

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