Express each of the following as a fraction in its simplest form if u answer for points,
I will take revenge by doing the same on your questions.

see explanation

Step-by-step explanation:

(a)

Given

+

The common denominator is 15 ( the LCM of 3 and 5 )

Multiply numerator/ denominator of first fraction by 5

Multiply the numerator/ denominator of second fraction by 3

= + ← add numerators , leaving denominator of 15

=

=

(b)

Given

-

The common denominator is 8 ( the LCM of 8 and 4 )

Multiply numerator/ denominator of second fraction by 2

= - ← simplify numerators leaving denominator of 8

=

=

30

step-by-step explanation:

times by times

your answer is 228

step-by-step explanation:

add the top and bottom bases together, then divide them by 2, then multiply by the height.