What is 3 7/8 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: The mixed fraction, 3 7/8 written as a decimal is equal to 3.875
Let's analyze the two methods to write 3 7/8 to decimal.
Solving 3 7/8 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 3.875. So, 3 1/8 as a decimal is equal to 3.875
Solving 3 7/8 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 7/8 = 31/8 = (31 × 25) / (8 × 25) = 775/200 = 387.5 / 100 = 3.875
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, the mixed fraction 3 7/8 written as a decimal is equal to 3.875.