Question

Without actual division express 17/8 + 7/80 as a decimal representation

Answer 1

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Answer 2

Concept Introduction:

Without actual division we can do it by converting the denominator as $10$ then covert the numerator in decimal.

Given: $17/8 + 7/80$

To Find:

We have to find the value of, of given sum $17/8 + 7/80$.

Solution:

According to the problem,

$17/8 + 7/80$

= $\frac{17}{2^{3} } +\frac{7}{2^{3} *10}$

$= \frac{17}{2^{3} } *\frac{5^{3} }{5^{3} } +\frac{7}{2^{3} *10}*\frac{5^{3} }{5^{3} }$

$= \frac{2125}{10^{3} } +\frac{875}{10^{3} *10}$

$=2.125+0.0875=2.2125$

Final Answer:

The value of the given sum is $2.215$.

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