9
10
0.9
9/10 as a decimal is 0.9
Terminating
9/10 is 0.9, or 90%. It stops after 1 decimal places.
Seen as a length
The whole is cut into as many parts as the denominator, and as many are filled as the numerator. The tick marks the halfway point.
- Decimal
- 0.9
- Percent
- 90%
- Ratio
- 9 : 1
- Decimal places
- 1
- Degrees of a circle
- 324°
- Minutes of an hour
- 54
- Reciprocal
- 10/9 = 1 1/9
- Equivalent fractions
- 18/20, 27/30, 36/40, 45/50
Same denominator
Nearby values
How to read this
- The digits in brackets repeat for ever — 0.1(6) means 0.16666…
- If the denominator has no prime factors besides 2 and 5, the decimal stops.
- Equal fractions do not get separate pages: looking up 2/4 brings you to 1/2.
- A percentage is the same number times 100; degrees are the same number times 360.
Frequently asked questions
Q. What is 9/10 as a decimal?
0.9. It stops after 1 decimal places.
Q. What is 9/10 as a percentage?
90%.
Q. Which fractions equal 9/10?
18/20, 27/30, 36/40, 45/50 … multiplying top and bottom by the same number leaves the value unchanged.
Q. What is the reciprocal of 9/10?
10/9, or 1 1/9 as a mixed number.