Question

what is 8 39/40 as a decimal

Answer 1

8 39/40
=8+39/40
=8•40/40+39/40
=320/40+39/40
=320+39/40
=359/40
=8.975
The answer is 8 39/40=8.975

Answer 2

we have

$8\frac{39}{40}$

we know that

In this problem we have a mixed number

A mixed number is a number expressed as the sum of a whole number and a fraction

so

$8\frac{39}{40}=8+\frac{39}{40}$

Convert the fraction in a decimal number

$\frac{39}{40}=0.975$

Sum the whole number and the decimal number

$8+0.975=8.975$

therefore

the answer is

$8.975$