Answers

Subtract 42/27 from 2/63

1^st number: 2/63, 2^nd number: 1 15/27

2/63 - 42/27 is -32/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 27 is 189
   
   Next, find the equivalent fraction of both fractional numbers with denominator 189
2. For the 1st fraction, since 63 × 3 = 189,
   2/63 = 2 × 3/63 × 3 = 6/189
3. Likewise, for the 2nd fraction, since 27 × 7 = 189,
   42/27 = 42 × 7/27 × 7 = 294/189
4. Subtract the two like fractions:
   6/189 - 294/189 = 6 - 294/189 = -288/189
5. After reducing the fraction, the answer is -32/21

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