What is 3 1/2 as a decimal?
We can also define a decimal number as the number whose fractional part and the whole number part are separated by a decimal point. The point in a decimal number is called a decimal point.
Answer: 3 1/2 as a decimal is 3.5
Let's analyze the two methods to write 3 1/2 as a decimal.
Solving 3 1/2 as a decimal using the division method
To perform any operation first step is to change any mixed fraction to an improper fraction.
This gives the answer as 3.5. So, 3 1/2 as a decimal is 3.5
Solving 3 1/2 as a decimal by converting the denominator to powers of 10
Step 3: Then write down just the numerator, putting the decimal point in the correct place, that is, one space from the right-hand side for every zero in the denominator.
3 1/2 = 7/2 = (7 × 50) / (2 × 50) = 350/100 = 3.5
Irrespective of the methods used, the answer to 3 1/2 as a decimal will always remain the same.
You can also verify your answer using Cuemath's Fraction to Decimal Calculator.