Final answer:
The correct subtraction equation using equivalent fractions for subtracting 4 2/12 and 2 8/12 is 50/12 - 32/12.
Step-by-step explanation:
The correct answer is C. 50/12 - 32/12.
To solve this problem, we can convert each mixed number to a fraction with a denominator of 12.
4 2/12 = 50/12
2 8/12 = 32/12
Now, we can subtract the two fractions:
50/12 - 32/12 = 18/12
Therefore, the subtraction equation that shows how to subtract 4 2/12 - 2 8/12 using equivalent fractions is 50/12 - 32/12.