Answers

Add 40/75 and 84/72

1^st number: 40/75, 2^nd number: 1 12/72

40/75 + 84/72 is 17/10.

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,
   40/75 = 40 × 24/75 × 24 = 960/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   84/72 = 84 × 25/72 × 25 = 2100/1800
4. Add the two like fractions:
   960/1800 + 2100/1800 = 960 + 2100/1800 = 3060/1800
5. 3060/1800 simplified gives 17/10
6. So, 40/75 + 84/72 = 17/10
   In mixed form: 17/10

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