Converting Repeating Decimals to Fractions

The video tutorial explains how to convert repeating decimals into fractions. It covers the rules for determining the numerator and denominator, providing examples for simple repeating decimals, mixed repeating decimals, and decimals with two repeating numbers. The tutorial emphasizes the importance of this skill and demonstrates the process step-by-step.

What is the first step in converting a repeating decimal to a fraction?

• Identify the repeating and non-repeating parts

• Multiply the decimal by 10

• Add the repeating digits

• Subtract the non-repeating digits

For a repeating decimal like 0.666..., what is the numerator of the fraction?

• 666

• None of the above

• 6

• 66

How do you determine the denominator for a simple repeating decimal?

• Use the number 1 for each repeating digit

• Use the number 0 for each repeating digit

• Use the number 9 for each repeating digit

• Use the number of repeating digits

In a mixed repeating and non-repeating decimal, what do you do after writing the non-repeating number?

• Divide by the non-repeating number

• Multiply the repeating number

• Subtract the non-repeating number from the repeating number

• Add the repeating number

For the decimal 0.4777..., what is the correct fraction representation?

• 7/9

• 43/90

• 47/99

• 4/7

When converting a decimal with two repeating numbers, what is the first step?

• Add the repeating numbers

• Subtract the repeating numbers

• Identify the repeating sequence

• Multiply by 100

For the decimal 0.234343..., what is the numerator of the fraction?

• 343

• 234

• 34

• 232

How do you determine the denominator for a decimal with two repeating numbers?

• Use two 0s and a 9

• Use three 9s

• Use three 0s

• Use two 9s and a 0

What is the reduced fraction for the decimal 0.234343...?

• 23/45

• 34/99

• 232/990

• 116/495

What is the main takeaway from learning to convert repeating decimals to fractions?

• It is not applicable in real life

• It is a skill that requires a calculator

• It is only useful for simple math

• It simplifies complex calculations