Answers

Subtract 1/21 from 35/27

1^st number: 1 8/27, 2^nd number: 1/21

35/27 - 1/21 is 236/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 21 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 27 × 7 = 189,
   35/27 = 35 × 7/27 × 7 = 245/189
3. Likewise, for the 2nd fraction, since 21 × 9 = 189,
   1/21 = 1 × 9/21 × 9 = 9/189
4. Subtract the two like fractions:
   245/189 - 9/189 = 245 - 9/189 = 236/189
5. In mixed form: 147/189

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