Divide the numerator by the denominator. For example 3/8 is equal to 3 divided by 8, or 0.375.
An easy way to remember this is to think of an easy one, for example one fourth (1/4). We know that the answer is 25%, or 0.25, and we can figure out that it's 1/4 that gives us 0.25.
Remember that any fraction is a division problem, the numerator (the number on top) divided by the denominator (the number on the bottom).
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You can convert three eighths into a decimal by diving the three by the eight, which is 0.375
To convert a fraction to a decimal, divide the top number by the bottom number: 3/8 = 3 ÷ 8 = .375
Expressed as a decimal fraction, 5/8 is equal to 0.625.
The fraction 5/8 as a decimal is 0.625.
Expressed as a decimal fraction, 9/8 is equal to 1.125.