Question

Needed help for my math please

Answer 1

see explanation

Explanation:

(a)

`(a)/(a)` = 1 ( any value divided by itself = 1 )

(b)

`(a)/(1)` = a ( any value divide by 1 is the value itself )

(c)

`(a)/(b)` ×
`(c)/(d)` =
`(ac)/(bd)`

The product of 2 fractions is the product of the numerators divided by the product of the denominators

(d)

`(a)/(b)` ÷
`(c)/(d)` =
`(ad)/(bc)`

To divide 2 fractions, leave the first fraction, change division to multiplication and turn the second fraction upside down, that is

`(a)/(b)` ÷
`(c)/(d)` =
`(a)/(b)` ×
`(d)/(c)` =
`(ad)/(bc)`

(e)

`(a)/(d)` +
`(b)/(d)` =
`(a+b)/(d)`

Since the fractions have a like denominator, add the numerators leaving the denominator. This applies to subtraction also

(f)

`(a)/(d)` -
`(b)/(d)` =
`(a-b)/(d)`

See explanation for part (e)