Answers

Add 72/75 and 3/84

72/75 + 3/84 is 697/700.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 84 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 75 × 28 = 2100,
   72/75 = 72 × 28/75 × 28 = 2016/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   3/84 = 3 × 25/84 × 25 = 75/2100
4. Add the two like fractions:
   2016/2100 + 75/2100 = 2016 + 75/2100 = 2091/2100
5. 2091/2100 simplified gives 697/700
6. So, 72/75 + 3/84 = 697/700

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