Answers

Add 75/21 and 30/25

1^st number: 3 12/21, 2^nd number: 1 5/25

75/21 + 30/25 is 167/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 25 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 25 × 21 = 525,
   30/25 = 30 × 21/25 × 21 = 630/525
4. Add the two like fractions:
   1875/525 + 630/525 = 1875 + 630/525 = 2505/525
5. 2505/525 simplified gives 167/35
6. So, 75/21 + 30/25 = 167/35
   In mixed form: 427/35

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