Solution: 2.138 as a fraction is 1069/500
Methods
Converting 2.138 to a fraction, Step-by-Step
Step 1:
The first step to converting 2.138 to a fraction is to re-write 2.138 in the form p/q where p and q are both positive integers. To start with, 2.138 can be written as simply 2.138/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 2.138, which in this case is 3. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 2.138/1 each by 10 to the power of that many digits. For instance, for 0.45, there are 2 fractional digits so we would multiply by 100; or for 0.324, since there are 3 fractional digits, we would multiply by 1000. So, in this case, we will multiply the numerator and denominator of 2.138/1 each by 1000:
2.138
×
1000
1
×
1000
=
2138
1000
\frac{2.138 × 1000}{1 × 1000} = \frac{2138}{1000}
1 × 1000 2.138 × 1000 = 1000 2138
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer:
2138
1000
=
1069
500
\frac{2138}{1000} = \frac{1069}{500}
1000 2138 = 500 1069
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