
What is 1.6 repeating as a fraction?
Answer
453.9k+ views
Hint: To find the fraction of repeating decimal 1.6, we have to equate the repeating decimal to x. We have to consider only a few positions of the decimals. This will be equation (i). We have to place this repeating digit to the left of the decimal point. This is done by multiplying both sides by 10 to the required power. This will be equation (ii). Then we have to subtract equation (i) from (ii) and solve for x.
Complete step by step solution:
We have to find the fraction of repeating decimal 1.6. Repeating decimals are the one, which has a set of terms in decimal to be repeated uniformly. We can write repeating 1.6 as 1.66666…, that is, the number after the decimal repeats. This can also be written as .
To convert a repeating decimal into fraction, we have to equate the repeating decimal to x. Let us consider only a few positions of the decimals. Hence, we can write
We know that the repeating digit is 6. We have to place this repeating digit to the left of the decimal point. For this, we have to multiply 1.666666 with 10. When we multiply a number on one side, we have to multiply it on the other side also.
Let us subtract (i) from (ii).
Let us take 9 from LHS to RHS to find the value of x.
Hence, the fraction of repeating 1.6 is .
Note: Students must be aware that they must subtract equation (i) from (ii) not (ii) from (i). We can also do this problem in an alternate method.
The fraction of repeating decimal of the form is given by
We have 1.6. The repeating term is only 6. Therefore, the number of 9’s for the repeated term will be only one 9 since only one repeating term is there.
Therefore, fraction of repeated 1.6 is
Complete step by step solution:
We have to find the fraction of repeating decimal 1.6. Repeating decimals are the one, which has a set of terms in decimal to be repeated uniformly. We can write repeating 1.6 as 1.66666…, that is, the number after the decimal repeats. This can also be written as
To convert a repeating decimal into fraction, we have to equate the repeating decimal to x. Let us consider only a few positions of the decimals. Hence, we can write
We know that the repeating digit is 6. We have to place this repeating digit to the left of the decimal point. For this, we have to multiply 1.666666 with 10. When we multiply a number on one side, we have to multiply it on the other side also.
Let us subtract (i) from (ii).
Let us take 9 from LHS to RHS to find the value of x.
Hence, the fraction of repeating 1.6 is
Note: Students must be aware that they must subtract equation (i) from (ii) not (ii) from (i). We can also do this problem in an alternate method.
The fraction of repeating decimal of the form
We have 1.6. The repeating term is only 6. Therefore, the number of 9’s for the repeated term will be only one 9 since only one repeating term is there.
Therefore, fraction of repeated 1.6 is
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