Answers

Subtract 25/50 from 30/42

30/42 - 25/50 is 3/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 50 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 42 × 25 = 1050,
   30/42 = 30 × 25/42 × 25 = 750/1050
3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
   25/50 = 25 × 21/50 × 21 = 525/1050
4. Subtract the two like fractions:
   750/1050 - 525/1050 = 750 - 525/1050 = 225/1050
5. After reducing the fraction, the answer is 3/14

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