Answers

Add 84/5 and 54/72

1^st number: 16 4/5, 2^nd number: 54/72

84/5 + 54/72 is 351/20.

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,
   84/5 = 84 × 72/5 × 72 = 6048/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   54/72 = 54 × 5/72 × 5 = 270/360
4. Add the two like fractions:
   6048/360 + 270/360 = 6048 + 270/360 = 6318/360
5. 6318/360 simplified gives 351/20
6. So, 84/5 + 54/72 = 351/20
   In mixed form: 1711/20

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