Answers

Add 28/75 and 15/84

28/75 + 15/84 is 1159/2100.

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,
   28/75 = 28 × 28/75 × 28 = 784/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   15/84 = 15 × 25/84 × 25 = 375/2100
4. Add the two like fractions:
   784/2100 + 375/2100 = 784 + 375/2100 = 1159/2100
5. So, 28/75 + 15/84 = 1159/2100

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