Answers

Add 20/75 and 21/60

20/75 + 21/60 is 37/60.

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,
   20/75 = 20 × 4/75 × 4 = 80/300
3. Likewise, for the 2nd fraction, since 60 × 5 = 300,
   21/60 = 21 × 5/60 × 5 = 105/300
4. Add the two like fractions:
   80/300 + 105/300 = 80 + 105/300 = 185/300
5. 185/300 simplified gives 37/60
6. So, 20/75 + 21/60 = 37/60

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