Answers

Subtract 63/21 from 25/14

1^st number: 1 11/14, 2^nd number: 3 0/21

25/14 - 63/21 is -17/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 21 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 14 × 3 = 42,
   25/14 = 25 × 3/14 × 3 = 75/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   63/21 = 63 × 2/21 × 2 = 126/42
4. Subtract the two like fractions:
   75/42 - 126/42 = 75 - 126/42 = -51/42
5. After reducing the fraction, the answer is -17/14

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