Q. Convert the following repeating decimal to a fraction in simplest form..19Answer:
Write x as decimal: Let x equal the repeating decimal 0.19 with 19 repeating. We can write this as:x=0.191919...
Multiply by 100: To convert the repeating decimal to a fraction, we can create an equation that isolates the repeating part. Multiply x by 100, since there are two digits in the repeating sequence, to shift the decimal two places to the right:100x=19.191919...
Subtract x from 100x: Now, subtract the original x from 100x to get rid of the repeating part:100x−x=19.191919...−0.191919...This simplifies to:99x=19
Divide by 99: To find the value of x, divide both sides of the equation by 99:x=9919
Check for simplification: Now, we need to check if the fraction can be simplified. The numbers 19 and 99 have no common factors other than 1, so the fraction is already in its simplest form.
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