Answers

Subtract 80/63 from 10/27

1^st number: 10/27, 2^nd number: 1 17/63

10/27 - 80/63 is -170/189.

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,
   10/27 = 10 × 7/27 × 7 = 70/189
3. Likewise, for the 2nd fraction, since 63 × 3 = 189,
   80/63 = 80 × 3/63 × 3 = 240/189
4. Subtract the two like fractions:
   70/189 - 240/189 = 70 - 240/189 = -170/189

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