Answers

Add 28/5 and 54/72

1^st number: 5 3/5, 2^nd number: 54/72

28/5 + 54/72 is 127/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 5 × 72 = 360,
   28/5 = 28 × 72/5 × 72 = 2016/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   54/72 = 54 × 5/72 × 5 = 270/360
4. Add the two like fractions:
   2016/360 + 270/360 = 2016 + 270/360 = 2286/360
5. 2286/360 simplified gives 127/20
6. So, 28/5 + 54/72 = 127/20
   In mixed form: 67/20

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