1.5 as a Fraction

Learn how to convert the decimal number 1.5 to a fraction. We'll show you the answer and walk through the conversion process step by step.

Answer:

1.5 = 1 ¹/₂ or ³/₂

1.5 as a fraction is 3/2 or 1 1/2 (mixed number)

Follow these steps to convert 1.5 to a fraction:

Step 1

Start by writing 1.5 as a fraction with 1 as the denominator:

1.5 = 1.5/1

Step 2

Since there are 1 digit(s) after the decimal point, multiply both numerator and denominator by 10:

(1.5 × 10) / (1 × 10) = 15/10

Step 3

Find the Greatest Common Divisor (GCD) of 15 and 10, which is 5. Divide both numerator and denominator by 5:

(15 ÷ 5) / (10 ÷ 5) = 3/2

Step 4

Since 3/2 is an improper fraction (numerator is larger than denominator), we can convert it to a mixed number:

3 ÷ 2 = 1 remainder 1, so 3/2 = 1 1/2

Final Answer: 1.5 = 1 1/2 (mixed number) or 3/2 (improper fraction)