Answers

Add 8/21 and 45/10

1^st number: 8/21, 2^nd number: 4 5/10

8/21 + 45/10 is 205/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 10 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 21 × 10 = 210,
   8/21 = 8 × 10/21 × 10 = 80/210
3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
   45/10 = 45 × 21/10 × 21 = 945/210
4. Add the two like fractions:
   80/210 + 945/210 = 80 + 945/210 = 1025/210
5. 1025/210 simplified gives 205/42
6. So, 8/21 + 45/10 = 205/42
   In mixed form: 437/42

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