Answers

Subtract 6/20 from 42/27

1^st number: 1 15/27, 2^nd number: 6/20

42/27 - 6/20 is 113/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 27 × 20 = 540,
   42/27 = 42 × 20/27 × 20 = 840/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   6/20 = 6 × 27/20 × 27 = 162/540
4. Subtract the two like fractions:
   840/540 - 162/540 = 840 - 162/540 = 678/540
5. After reducing the fraction, the answer is 113/90
6. In mixed form: 123/90

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