Best Answer

- 7/9

Let x = -0.777...

x = -0.777... multiply both sides by 10

10x = -7.777... subtract the first equation from the second one

9x = -7 divide both sides by 9

x = -7/9

Q: How do you write the repeating decimal -0.7 as a fraction?

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if you mean : .07 , you write that like this : seven hundredths

fraction which is equivalent to 0.7 = 7/10

To convert decimals to fractions 0.07 = 0.07/1.00 NB Note there are two decimal places in the 0.07 , so two decimal zeroes in the denominator. Next cancel down the decimal points 007/100 The two 'zeroes' prefixed to '7' are trivial and can be dropped. Hence 007/100 = 7/100 It follows that 0.07 = 7/100 NB If the decimal is 0.007 , then it is 0.007/1.000 = 7/1000 et.seq.

The number 7= 7/1 or 14/2 or 21/3 .7= 7/10 or 14/20 or 28/40 .07= 7/100 .007=7/1000 .0007=7/10000

.07

Related questions

if you mean : .07 , you write that like this : seven hundredths

Fraction: 7/100 (7 out of 100) Decimal: .07 Percentage: 7%

.07

.07

Forty cent as decimal

You can write it as 7%. In a decimal form .07 is the way it would be written.

0.07 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its rational equivalent is 7/100 which cannot be simplified.

fraction which is equivalent to 0.7 = 7/10

To convert decimals to fractions 0.7 = 0.7/1.0 Cancel down the decimal points 07/10 The zero prefixed to '7' is trivial and can be dropped . Hence 07/10 = 7/10 It follows 0.7 = 7/10

7/100

To convert decimals to fractions 0.07 = 0.07/1.00 NB Note there are two decimal places in the 0.07 , so two decimal zeroes in the denominator. Next cancel down the decimal points 007/100 The two 'zeroes' prefixed to '7' are trivial and can be dropped. Hence 007/100 = 7/100 It follows that 0.07 = 7/100 NB If the decimal is 0.007 , then it is 0.007/1.000 = 7/1000 et.seq.

.07