To convert the fraction \( \frac{11}{20} \) to a decimal using long division, follow these steps:
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Set up the division: We need to divide 11 by 20. Since 11 is less than 20, we can start with 11.000 (adding decimal points and zeros to continue the division).
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Perform the division:
- 20 into 110: 20 goes into 110 five times (because \( 20 \times 5 = 100 \)).
- Write 5 above the line.
- Subtract \( 100 \) from \( 110 \), which gives us \( 10 \).
- Bring down a 0, making it \( 100 \).
- 20 into 100: 20 goes into 100 five times (again, \( 20 \times 5 = 100 \)).
- Write another 5 above the line next to the previous 5.
- Subtract \( 100 \) from \( 100 \), which gives us \( 0 \).
- 20 into 110: 20 goes into 110 five times (because \( 20 \times 5 = 100 \)).
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Complete the division: Since there are no more digits to bring down and the remainder is 0, we stop here.
Putting it all together, we have: \[ \frac{11}{20} = 0.55 \]
Thus, the decimal representation of \( \frac{11}{20} \) is \( 0.55 \).