Question

What is 3 1/8 - 1/2

Answer 1

`(21)/(8)`

Explanation:

Answer 2

`(21)/(8)`

Explanation:

Given:
`3(1)/(8) - (1)/(2)`

Let's changed that mixed number to an improper fraction. Now we get:

`(25)/(8) - (1)/(2)`

Let's find out least common denominator. This one is easy, the LCD is 8. Now that we know the LCD, let's convert both our fractions:

`(25)/(8) - (4)/(8)`

We can use
`(4)/(8)` because it is equal to
`(1)/(2)`. Now, all we need to do is subtract the numerators:

`(25)/(8) - (4)/(8)=(21)/(8)`