Question

What is the value of the expression

3 1/8 divided by 1 5/8
A 4 3/4
B 3 1/5
C 1 12/13
D 1 1/2

Answer 1

C

Explanation:

3
`(1)/(8)` ÷ 1
`(5)/(8)` ( change mixed numbers to improper fractions )

=
`(25)/(8)` ÷
`(13)/(8)`

to perform the division

leave first, change ÷ to × , turn second fraction ' upside down '

=
`(25)/(8)` ×
`(8)/(13)` ( cancel 8 on numerator/ denominator )

= 25 ×
`(1)/(13)`

=
`(25)/(13)`

= 1
`(12)/(13)`