4
5
0.8
4/5 as a decimal is 0.8
Terminating
4/5 is 0.8, or 80%. 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
- 0.8
- Percent
- 80%
- Ratio
- 4 : 1
- Decimal places
- 1
- Degrees of a circle
- 288°
- Minutes of an hour
- 48
- Reciprocal
- 5/4 = 1 1/4
- Equivalent fractions
- 8/10, 12/15, 16/20, 20/25
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 4/5 as a decimal?
0.8. It stops after 1 decimal places.
Q. What is 4/5 as a percentage?
80%.
Q. Which fractions equal 4/5?
8/10, 12/15, 16/20, 20/25 … multiplying top and bottom by the same number leaves the value unchanged.
Q. What is the reciprocal of 4/5?
5/4, or 1 1/4 as a mixed number.