Answers

Subtract 8/7 from 8/27

1^st number: 8/27, 2^nd number: 1 1/7

8/27 - 8/7 is -160/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 7 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 27 × 7 = 189,
   8/27 = 8 × 7/27 × 7 = 56/189
3. Likewise, for the 2nd fraction, since 7 × 27 = 189,
   8/7 = 8 × 27/7 × 27 = 216/189
4. Subtract the two like fractions:
   56/189 - 216/189 = 56 - 216/189 = -160/189

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