Answers

Add 21/10 and 4/75

1^st number: 2 1/10, 2^nd number: 4/75

21/10 + 4/75 is 323/150.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 75 is 150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 150
2. For the 1st fraction, since 10 × 15 = 150,
   21/10 = 21 × 15/10 × 15 = 315/150
3. Likewise, for the 2nd fraction, since 75 × 2 = 150,
   4/75 = 4 × 2/75 × 2 = 8/150
4. Add the two like fractions:
   315/150 + 8/150 = 315 + 8/150 = 323/150
5. So, 21/10 + 4/75 = 323/150
   In mixed form: 223/150

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