The unknown fraction when added to 3/8, gives a sum of 1 is 5/8 and this can be determined by using the arithmetic operations.
Given :
A fraction when added to 3/8, gives a sum of 1.
The following steps can be used to determine the unknown fraction when added to 3/8 gives the sum of 1:
Step 1 - Let the unknown fraction has the denominator be 'b' and the numerator be 'a'.
Step 2 - Write down the expression.
[tex]\dfrac{a}{b}+\dfrac{3}{8}=1[/tex]
Step 3 - Subtract 3/8 from both sides in the above equation.
[tex]\dfrac{a}{b}+\dfrac{3}{8}-\dfrac{3}{8}= 1-\dfrac{3}{8}[/tex]
Step 4 - Further simplify the above expression.
[tex]\dfrac{a}{b}= \dfrac{5}{8}[/tex]
Therefore, the unknown fraction when added to 3/8, gives a sum of 1 is 5/8.
For more information, refer to the link given below:
https://brainly.com/question/18134643
