Answer:

14

Step-by-step explanation:

begin{equation} EY^2=\frac{1}{3}+1=\frac{4}{3}. ... \left\{ \begin{array}{c} EX^2+EX=13 \quad \\ \frac{4}{3}EX+EX^2=14

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Answer:

¾ - ½ = ¼

Solution:

Calculation steps:

¾ - ½

= ¾ - 1 × 2

2 × 2

= ¾ - 2/4

= 3 - 2

4

= ¼

Further explanation

For the problem:

¾ - ½ = ?

The Least Common Multiple (LCM) of 4 and 2 is 4. Multiply the numerator and denominator of each fraction by whatever value will result in the denominator of each fraction being equal to the LCM:

¾ - ½ = 1 × 2

= ¾ - 2/4

2 × 2

Now that the fractions have like denominators, subtract the numerators:

¾ - 2/4 = 3 - 2

= ¼

4

The result is:

¾ - ½ = ¼

Explanation:

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