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What is 3 1/8 as a decimal?
Decimals have a whole number and the fractional part separated by a decimal point. The decimal present between the whole number and fractions part is called the decimal point. For example, 3.5 is a decimal number.
Answer: 3 1/8 as a decimal is equal to 3.125
Let's analyze the two methods to write 3 1/8 to decimal.
Solving 3 1/8 to 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 3.125. So, 3 1/8 to decimal is 3.125
Solving 3 1/8 to 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 1/8 = 25/8 = (25 × 25) / (8 × 25) = 625/200 = 312.5 / 100 = 3.125
Irrespective of the methods used, the answer to 3 1/8 to decimal will always remain the same.
You can also verify your answer using Cuemath's Fraction to Decimal Calculator.
Thus, 3 1/8 as a decimal is equal to 3.125.