Answers

Subtract 4/75 from 30/21

1^st number: 1 9/21, 2^nd number: 4/75

30/21 - 4/75 is 722/525.

Steps for subtracting 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,
   30/21 = 30 × 25/21 × 25 = 750/525
3. Likewise, for the 2nd fraction, since 75 × 7 = 525,
   4/75 = 4 × 7/75 × 7 = 28/525
4. Subtract the two like fractions:
   750/525 - 28/525 = 750 - 28/525 = 722/525
5. In mixed form: 1197/525

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