Q. Write the repeating decimal as a fraction..683683683
Identify Repeating Pattern: Let's identify the repeating pattern in the decimal. The digits “683” repeat indefinitely.
Convert to Fraction: To convert the repeating decimal to a fraction, let's denote the repeating decimal as x:x=0.683683683…
Isolate Repeating Part: To isolate the repeating part, we can multiply x by 1000, since the repeating part has three digits: 1000x=683.683683683…
Subtract Decimal: Now, we subtract the original x from 1000x to get rid of the decimal part:1000x−x=683.683683683...−0.683683683...999x=683
Divide by 999: To find the value of x, we divide both sides of the equation by 999:x=999683
Simplify Fraction: We can simplify the fraction by looking for common factors of the numerator and the denominator. Both 683 and 999 are divisible by 1, and there are no other common factors since 683 is a prime number.
Final Fraction: Therefore, the fraction is already in its simplest form: x=999683
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