Answers

Subtract 20/27 from 10/15

10/15 - 20/27 is -2/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 27 is 135
   
   Next, find the equivalent fraction of both fractional numbers with denominator 135
2. For the 1st fraction, since 15 × 9 = 135,
   10/15 = 10 × 9/15 × 9 = 90/135
3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
   20/27 = 20 × 5/27 × 5 = 100/135
4. Subtract the two like fractions:
   90/135 - 100/135 = 90 - 100/135 = -10/135
5. After reducing the fraction, the answer is -2/27

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