How do you change 0.50 into a fraction?

1 Answer
SCooke
Jun 17, 2018

A decimal is the result of performing the division indicated by a fraction.
#5/10# or #1/2#

Explanation:

To reverse that process, we can set up the equation:

#A/B = 0.ZZZ#

We have the final result, #0.50#. for simplicity we will want it "normalized", or equivalent to something out of #"1"# or #100#. I like to start with a denominator of 100 because it relates directly to percentages, and it can always be simplified if desired.

#A/100 = 0.50# This means, What is the value of A in parts per hundred that is equal to 0.50?

Solving for "A": #A = 0.50 xx 100 = 50#

Therefore the original ratio or fraction equivalent is:
#50/100# as mentioned, this can also be reduced to a smaller ratio, if desired: #5/10#, or even #1/2#.

Both fractions are equivalent to the decimal value #0.50#.

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