Answers

Subtract 20/45 from 4/27

4/27 - 20/45 is -8/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 45 is 135
   
   Next, find the equivalent fraction of both fractional numbers with denominator 135
2. For the 1st fraction, since 27 × 5 = 135,
   4/27 = 4 × 5/27 × 5 = 20/135
3. Likewise, for the 2nd fraction, since 45 × 3 = 135,
   20/45 = 20 × 3/45 × 3 = 60/135
4. Subtract the two like fractions:
   20/135 - 60/135 = 20 - 60/135 = -40/135
5. After reducing the fraction, the answer is -8/27

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