What is 21/5 as a percent?

To convert a fraction to a percent, divide the numerator by the denominator to get a decimal, then multiply the result by 100. This gives the equivalent percentage of the fraction.

Convert the Fraction 21/5 into Percent.

21/5 as a percent is 420%

Method 1: Convert Fraction to Percent Directly

Step 1: Divide the numerator (21) by the denominator (5).

21 ÷ 5 = 4.2

Step 2: Multiply the result by 100 to convert to a percentage.

4.2 × 100 = 420%

So, 21/5 as a percent is 420%.

Method 2: Convert Fraction to Decimal and Percent

Step 1: First, convert the fraction to a decimal by dividing the numerator by the denominator.

21 ÷ 5 = 4.2

Step 2: Move the decimal point two places to the right to get the percentage.

4.2 becomes 420.

Step 3: Add a percent sign (%) to the result.

The final result is 420%.

Method 3: Use Proportions to Find Percent

Step 1: Set up a proportion where 21/5 is equal to x/100.

21/5 = x/100

Step 2: Cross-multiply to solve for x.

21 × 100 = 5 × x

2100 = 5x

Step 3: Divide both sides by 5 to solve for x.

x = 2100 ÷ 5 = 420