Answers

Add 28/75 and 21/60

28/75 + 21/60 is 217/300.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 60 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 75 × 4 = 300,
   28/75 = 28 × 4/75 × 4 = 112/300
3. Likewise, for the 2nd fraction, since 60 × 5 = 300,
   21/60 = 21 × 5/60 × 5 = 105/300
4. Add the two like fractions:
   112/300 + 105/300 = 112 + 105/300 = 217/300
5. So, 28/75 + 21/60 = 217/300

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