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The second equation, 10/12 - 3/8 = 4/3, represents the difference between two fractions. When subtracting fractions, we need to make sure they have the same denominator. In this case, we need to find a common denominator for 12 and 8, which is 24.
10/12 can be rewritten as 20/24, and 3/8 can be rewritten as 9/24. Subtracting 9/24 from 20/24 gives us 11/24.
Therefore, the actual difference between 10/12 and 3/8 is 11/24