Answers

Add 54/45 and 72/60

1^st number: 1 9/45, 2^nd number: 1 12/60

54/45 + 72/60 is 12/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   54/45 = 54 × 4/45 × 4 = 216/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   72/60 = 72 × 3/60 × 3 = 216/180
4. Add the two like fractions:
   216/180 + 216/180 = 216 + 216/180 = 432/180
5. 432/180 simplified gives 12/5
6. So, 54/45 + 72/60 = 12/5
   In mixed form: 22/5

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