Answers

Add 21/75 and 2/45

21/75 + 2/45 is 73/225.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 45 is 225
   
   Next, find the equivalent fraction of both fractional numbers with denominator 225
2. For the 1st fraction, since 75 × 3 = 225,
   21/75 = 21 × 3/75 × 3 = 63/225
3. Likewise, for the 2nd fraction, since 45 × 5 = 225,
   2/45 = 2 × 5/45 × 5 = 10/225
4. Add the two like fractions:
   63/225 + 10/225 = 63 + 10/225 = 73/225
5. So, 21/75 + 2/45 = 73/225

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