Reviewed by Camille Ira B. Mendoza
What is 1 1/2 as a decimal?
Answer: 1 1/2 as a decimal is 1.5
Mixed numbers such as 1 1/2 can be converted to decimals to simplify calculations and comparisons. Converting a mixed number to a decimal involves separating the whole number and the fractional part, then expressing both as a single decimal value. This process is a fundamental skill in math, useful for various real-world applications involving measurements, money, and data analysis.
Methods
Math Tutor Explanation Using the Addition Method
This method adds the decimal form of the fraction to the whole number.
Step 1: Step 1: Recognize that 1 1/2 is a mixed number with a whole part (1) and a fractional part (1/2)
Step 2: Step 2: Convert 1/2 to its decimal form, which is 0.5
Math Tutor Explanation Using the Improper Fraction Method
Converting the mixed number to an improper fraction before dividing can also yield the decimal.
Step 1: Step 1: Convert 1 1/2 to an improper fraction (1 × 2 + 1 = 3/2)
Step 2: Step 2: Divide the numerator (3) by the denominator (2) to get 1.5
Step 1:
Step 2:
Math Tutor suggests: Practice Mixed Number to Decimal Conversions
Sharpen your skills in converting mixed numbers and fractions to decimals with these related exercises.
FAQ on Converting Mixed Numbers to Decimals
What is a mixed number?
A mixed number is a number made up of a whole number and a proper fraction.
Why convert mixed numbers to decimals?
Decimals are easier to use in calculations and are commonly used in measurements, finance, and science.
Can all mixed numbers be converted to exact decimals?
No. Some fractions result in repeating decimals, but they can all be expressed as decimals.
How do you check your decimal conversion?
Multiply the decimal portion by the original denominator to see if you get the original numerator.
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