Answers

Subtract 9/7 from 42/27

1^st number: 1 15/27, 2^nd number: 1 2/7

42/27 - 9/7 is 17/63.

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,
   42/27 = 42 × 7/27 × 7 = 294/189
3. Likewise, for the 2nd fraction, since 7 × 27 = 189,
   9/7 = 9 × 27/7 × 27 = 243/189
4. Subtract the two like fractions:
   294/189 - 243/189 = 294 - 243/189 = 51/189
5. After reducing the fraction, the answer is 17/63

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