Answers

Subtract 10/63 from 28/27

1^st number: 1 1/27, 2^nd number: 10/63

28/27 - 10/63 is 166/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 63 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 27 × 7 = 189,
   28/27 = 28 × 7/27 × 7 = 196/189
3. Likewise, for the 2nd fraction, since 63 × 3 = 189,
   10/63 = 10 × 3/63 × 3 = 30/189
4. Subtract the two like fractions:
   196/189 - 30/189 = 196 - 30/189 = 166/189

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