Answers

Add 84/72 and 45/75

1^st number: 1 12/72, 2^nd number: 45/75

84/72 + 45/75 is 53/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 75 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 72 × 25 = 1800,
   84/72 = 84 × 25/72 × 25 = 2100/1800
3. Likewise, for the 2nd fraction, since 75 × 24 = 1800,
   45/75 = 45 × 24/75 × 24 = 1080/1800
4. Add the two like fractions:
   2100/1800 + 1080/1800 = 2100 + 1080/1800 = 3180/1800
5. 3180/1800 simplified gives 53/30
6. So, 84/72 + 45/75 = 53/30
   In mixed form: 123/30

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