Answers

Add 75/21 and 30/75

1^st number: 3 12/21, 2^nd number: 30/75

75/21 + 30/75 is 139/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 75 is 525
   
   Next, find the equivalent fraction of both fractional numbers with denominator 525
2. For the 1st fraction, since 21 × 25 = 525,
   75/21 = 75 × 25/21 × 25 = 1875/525
3. Likewise, for the 2nd fraction, since 75 × 7 = 525,
   30/75 = 30 × 7/75 × 7 = 210/525
4. Add the two like fractions:
   1875/525 + 210/525 = 1875 + 210/525 = 2085/525
5. 2085/525 simplified gives 139/35
6. So, 75/21 + 30/75 = 139/35
   In mixed form: 334/35

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