Answers

Add 84/75 and 20/84

1^st number: 1 9/75, 2^nd number: 20/84

84/75 + 20/84 is 713/525.

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,
   84/75 = 84 × 28/75 × 28 = 2352/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   20/84 = 20 × 25/84 × 25 = 500/2100
4. Add the two like fractions:
   2352/2100 + 500/2100 = 2352 + 500/2100 = 2852/2100
5. 2852/2100 simplified gives 713/525
6. So, 84/75 + 20/84 = 713/525
   In mixed form: 1188/525

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