Answers

Add 10/75 and 75/21

1^st number: 10/75, 2^nd number: 3 12/21

10/75 + 75/21 is 389/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 21 is 525
   
   Next, find the equivalent fraction of both fractional numbers with denominator 525
2. For the 1st fraction, since 75 × 7 = 525,
   10/75 = 10 × 7/75 × 7 = 70/525
3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
   75/21 = 75 × 25/21 × 25 = 1875/525
4. Add the two like fractions:
   70/525 + 1875/525 = 70 + 1875/525 = 1945/525
5. 1945/525 simplified gives 389/105
6. So, 10/75 + 75/21 = 389/105
   In mixed form: 374/105

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