How do you write 11/20 as a decimal?

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How do you write 11/20 as a decimal?

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Answer 1 · 2016-11-06T06:16:15

$\frac{11}{20} = 0.55$ $11/20=0.55$

Explanation:

As the denominator (i.e. $20$ $20$ ) in $\frac{11}{20}$ $11/20$ has only $2$ $2$ and $5$ $5$ as prime factors, $20 = 2 \times 2 \times 5$ $20=2xx2xx5$ , we can easily convert denominator as a power of $10$ $10$ , by multiplying it by $5$ $5$ .

Hence $\frac{11}{20} = \frac{11 \times 5}{20 \times 5}$ $11/20=(11xx5)/(20xx5)$

= $\frac{55}{100} = \frac{50 + 5}{100}$ $55/100=(50+5)/100$

= $\frac{50}{100} + \frac{5}{100}$ $50/100+5/100$

= $\frac{5}{10} + \frac{5}{100}$ $5/10+5/100$ i.e. $5$ $5$ one-tenths and $5$ $5$ one-hundredths

This is nothing but $0.55$ $0.55$

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How do you write 11/20 as a decimal?

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