Q. Simplify. Express your answer as a single fraction in simplest form. 2st5−4s4
Find LCM: Find the least common multiple (LCM) of the denominators 2 and 4. The LCM is 4.
Make denominators same: Make the denominators the same by multiplying the first fraction by 2. This gives us 42×st5−4s4.
Write with common denominator: Write the expression with a common denominator. The combined expression is (2st5−s4)/4.
Check for simplification: Check if the expression can be simplified further. Since there is no common factor in the numerator that can be canceled with the denominator, the expression is already in its simplest form.
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