Answers

Subtract 25/21 from 27/5

1^st number: 5 2/5, 2^nd number: 1 4/21

27/5 - 25/21 is 442/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 21 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 5 × 21 = 105,
   27/5 = 27 × 21/5 × 21 = 567/105
3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
   25/21 = 25 × 5/21 × 5 = 125/105
4. Subtract the two like fractions:
   567/105 - 125/105 = 567 - 125/105 = 442/105
5. In mixed form: 422/105

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