b (A+)
3 over 4. There is no mixed number
Here is the number line . ....-2, -7/4. -3/2 , -5/4, -1 , -3/4 , -1/2, -1/4, 0, 1/4, 1/2, 3/4, 1 , 5/4 , 3/2, 7/4, 2 ....
Halfway between 9 and 1/2 and 10.
It is half way between 3 and 4 on the number line
5/8 is between 2/4 and 3/4.
b (A+)
9/10
5/16
The midway point of 1/4 and 3/4 is 1/2 * (1/4 + 3/4) = 1/2 * (4/4) = 1/2
3 over 4. There is no mixed number
Here is the number line . ....-2, -7/4. -3/2 , -5/4, -1 , -3/4 , -1/2, -1/4, 0, 1/4, 1/2, 3/4, 1 , 5/4 , 3/2, 7/4, 2 ....
Halfway between 9 and 1/2 and 10.
It is half way between 3 and 4 on the number line
Rational.
Anything between 4.6 and 4.9.
Add 1/4 and 2/3. This results in 11/12. Then divide by 2 (or multiply by 1/2). The answer is 11/24 or about .458333.