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Last updated on March 11th, 2025
It is a simple question on decimal conversion. Firstly, we have to learn percentages and decimals. A percentage represents a part out of 100. It is written with a percent sign (%). A decimal is a way to represent the number that is not whole, using a (.) or a decimal point to separate the whole part from the fractional part. The numbers to the left of the decimal point represent the whole, and those to the right represent the fractional part.
2 1/4% in decimals can be written as 0.0225.
To convert 2 1/4% to a decimal, we first convert the mixed number percentage to a fraction and then to a decimal.
Step 1: Convert 2 1/4 to an improper fraction. 2 1/4 = (2 × 4 + 1)/4 = 9/4
Step 2: Convert the fraction to a percentage. Since 9/4% means 9/4 out of 100, we write it as (9/4) × (1/100) = 9/400.
Step 3: Divide to convert the fraction to a decimal. 9 ÷ 400 = 0.0225 Therefore, 2 1/4% as a decimal is 0.0225.