Answers

Subtract 1/27 from 25/21

1^st number: 1 4/21, 2^nd number: 1/27

25/21 - 1/27 is 218/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 27 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 21 × 9 = 189,
   25/21 = 25 × 9/21 × 9 = 225/189
3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
   1/27 = 1 × 7/27 × 7 = 7/189
4. Subtract the two like fractions:
   225/189 - 7/189 = 225 - 7/189 = 218/189
5. In mixed form: 129/189

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