Answers

Subtract 4/21 from 2/75

2/75 - 4/21 is -86/525.

Steps for subtracting 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,
   2/75 = 2 × 7/75 × 7 = 14/525
3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
   4/21 = 4 × 25/21 × 25 = 100/525
4. Subtract the two like fractions:
   14/525 - 100/525 = 14 - 100/525 = -86/525

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