Fractions · eighths
What Is 4/8?
4/8 is four eighths: 4 parts out of 8 equal parts.
4/8 means 4 out of 8 equal parts. The bottom number (8) says how many equal parts make the whole. The top number (4) says how many you have. As a decimal it's 0.5, and as a percent it's 50%.
4/8 in pictures
4/8 at a glance
| In words | four eighths |
| As a decimal | 0.5 |
| As a percent | 50% |
| Simplest form | 1/2 |
| Equal fractions | 1/2, 2/4, 3/6, 5/10 |
| Compared to one half | equal to 1/2 |
| Left to make a whole | 4/8 |
Is 4/8 in simplest form?
Both 4 and 8 divide by 4: 4 ÷ 4 = 1 and 8 ÷ 4 = 2. So 4/8 simplifies to 1/2, and the two are the same amount of pie.
Fractions equal to 4/8
Multiply the top and bottom by the same number and the amount doesn't change: 4 × 2 = 8 and 8 × 2 = 16, so 4/8 = 8/16. Times 3 gives 12/24. In the bakery, that's the same pie with every slice cut in two, then in three.
More fractions equal to 4/8: 1/2, 2/4, 3/6, 5/10, 6/12. The equivalent fractions lesson shows why this always works.
Is 4/8 bigger than one half?
4/8 is equal to 1/2. Half of 8 is 4, so 4/8 is exactly one half. Next to its neighbors: 3/8 < 4/8 < 5/8.
4/8 in real life
Share the 16 into 8 equal groups: 16 ÷ 8 = 2 in each group. Take 4 groups: 2 × 4 = 8.
An hour has 60 minutes. 60 ÷ 8 = 7.5, and 7.5 × 4 = 30 minutes.
Halve, halve, halve. Three rounds of cutting every piece in two gives eight equal slices.
Common mix-ups with 4/8
Swapping the numbers changes everything. 4/8 is less than one whole; 8/4 is more than one whole. The bottom number always says how many equal parts make up the whole.
A pie with 4 filled and 4 empty is not 4/4. That compares the filled part to the empty part. The bottom number counts all 8 parts, filled or not.
4/8 and 1/2 look different, but the amount of pie is identical. Cutting the same pie into more slices doesn't change how much pie there is.
Play with 4/8
Saying a definition doesn't make it stick. Finding 4/8 on a pie, a cake and a number line, over and over, does.
The orders in this game keep coming back to 4/8
Free to play · no signup · works on phones, tablets and computers
4/8 FAQ
What is 4/8 as a decimal?
4/8 = 0.5. Divide the top by the bottom: 4 ÷ 8 = 0.5.
What is 4/8 as a percent?
4/8 is 50%. Percent means "out of 100", so work out 4 ÷ 8 × 100.
What fractions are equal to 4/8?
1/2, 2/4, 3/6, 5/10, 6/12 and many more. Multiply the top and bottom by the same number to make another.
How do you read 4/8 out loud?
Say "four eighths".
Is the fraction game really free?
Yes. The whole game plays free in your browser, with no signup, no ads and no time limit. A Fraction Bakery app for iPhone is coming later, but the web game stays free.
Take the bakery with you, soon
A Fraction Bakery app for iPhone is on the way. The plan: offline play for the car, a parent report of which fractions have stuck, and the full bakery shelf of prizes. Until then, the whole game is free right here.
Coming soon on theApp Store