Question

What is the value of the expression below?

3/8 +-4/5+-3/8+5/4

Answer 1

The value of the expression is
`(9)/(20)`

Explanation:

In order to sum or subtract these fractions we need to find their LCM.

The overall LCM is 20.

Thus:

• 4/5=16/20
• 5/4=25/20

The we get:

= -16/20+25/20

Which gives:

=9/20