3
10
0.3
3/10 as a decimal is 0.3
Terminating
3/10 is 0.3, or 30%. 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
- 0.3
- Percent
- 30%
- Ratio
- 3 : 7
- Decimal places
- 1
- Degrees of a circle
- 108°
- Minutes of an hour
- 18
- Reciprocal
- 10/3 = 3 1/3
- Equivalent fractions
- 6/20, 9/30, 12/40, 15/50
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 3/10 as a decimal?
0.3. It stops after 1 decimal places.
Q. What is 3/10 as a percentage?
30%.
Q. Which fractions equal 3/10?
6/20, 9/30, 12/40, 15/50 … multiplying top and bottom by the same number leaves the value unchanged.
Q. What is the reciprocal of 3/10?
10/3, or 3 1/3 as a mixed number.