# 4 out of 5 is what percent?

## Answer: 4 out of 5 is 80 percent.

**Explanation:**

You may express a percentage as a fraction of 100, just like any other number.

Here are two ways to find the percentage of 4 out of 5.

### First Method: Convert the fraction to a decimal.

**Step 1:** Divide 4 by 5 to convert 4/5 to a decimal. There will be a result of 0.8 for you.

**Step 2:** Get the decimal number in the form of a percentage. Just increase it by 100% to get the number of 0.8 as a percentage. 80% is the answer.

### Second Approach: Find the Proportions

**Step 1:** Turn 4/5 into a number and set it equal to 100. Use a letter, like z, for the unknown numerator to make sure it is in fractional form. It turns into ≘ = z/100.

**Step 2:** Solve for z by cross multiplying. You get 4 × 100 = 5 × z. The answer is 400 = 5z.

**Step 3:** Divide both sides by 5. It becomes 400/5 = 5z/5. The answer is 80 = z or z = 80, which is basically 80%.

## FAQ on Percentages

### What is 50% as a decimal?

50% as a decimal is 0.5.

### What is 25% as a decimal?

25% as a decimal is 0.25.

### What is 100% as a decimal?

100% as a decimal is 1.