Answers

Add 8/75 and 15/21

8/75 + 15/21 is 431/525.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 21 is 525
   
   Next, find the equivalent fraction of both fractional numbers with denominator 525
2. For the 1st fraction, since 75 × 7 = 525,
   8/75 = 8 × 7/75 × 7 = 56/525
3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
   15/21 = 15 × 25/21 × 25 = 375/525
4. Add the two like fractions:
   56/525 + 375/525 = 56 + 375/525 = 431/525
5. So, 8/75 + 15/21 = 431/525

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