Answers

Add 84/75 and 4/72

1^st number: 1 9/75, 2^nd number: 4/72

84/75 + 4/72 is 529/450.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 72 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 75 × 24 = 1800,
   84/75 = 84 × 24/75 × 24 = 2016/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   4/72 = 4 × 25/72 × 25 = 100/1800
4. Add the two like fractions:
   2016/1800 + 100/1800 = 2016 + 100/1800 = 2116/1800
5. 2116/1800 simplified gives 529/450
6. So, 84/75 + 4/72 = 529/450
   In mixed form: 179/450

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