Final answer:
The correct answer is A. To simplify the expression 5/12 - 3/8 as a fraction, we find a common denominator and subtract the numerators. The simplified fraction is 1/24.
Step-by-step explanation:
To simplify the expression 5/12 - 3/8 as a fraction, we need to find a common denominator for the fractions. The least common multiple of 12 and 8 is 24.
Multiplying the numerator and denominator of 5/12 by 2 gives us 10/24, and multiplying the numerator and denominator of 3/8 by 3 gives us 9/24.
Now, we can subtract the fractions by subtracting the numerators: 10/24 - 9/24 = 1/24.
Therefore, the simplified fraction 5/12 - 3/8 is equal to 1/24.