Answers

Subtract 40/9 from 42/27

1^st number: 1 15/27, 2^nd number: 4 4/9

42/27 - 40/9 is -26/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 9 is 27
   
   Next, find the equivalent fraction of both fractional numbers with denominator 27
2. For the 1st fraction, since 27 × 1 = 27,
   42/27 = 42 × 1/27 × 1 = 42/27
3. Likewise, for the 2nd fraction, since 9 × 3 = 27,
   40/9 = 40 × 3/9 × 3 = 120/27
4. Subtract the two like fractions:
   42/27 - 120/27 = 42 - 120/27 = -78/27
5. After reducing the fraction, the answer is -26/9

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