Answers

Subtract 6/7 from 25/21

1^st number: 1 4/21, 2^nd number: 6/7

25/21 - 6/7 is 1/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 7 is 21
   
   Next, find the equivalent fraction of both fractional numbers with denominator 21
2. For the 1st fraction, since 21 × 1 = 21,
   25/21 = 25 × 1/21 × 1 = 25/21
3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
   6/7 = 6 × 3/7 × 3 = 18/21
4. Subtract the two like fractions:
   25/21 - 18/21 = 25 - 18/21 = 7/21
5. After reducing the fraction, the answer is 1/3

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