Answers

Subtract 63/14 from 25/42

1^st number: 25/42, 2^nd number: 4 7/14

25/42 - 63/14 is -82/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 14 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 42 × 1 = 42,
   25/42 = 25 × 1/42 × 1 = 25/42
3. Likewise, for the 2nd fraction, since 14 × 3 = 42,
   63/14 = 63 × 3/14 × 3 = 189/42
4. Subtract the two like fractions:
   25/42 - 189/42 = 25 - 189/42 = -164/42
5. After reducing the fraction, the answer is -82/21

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