How do you write a fraction in simplest form?
The simplest form of a fraction is an equivalent fraction in which the denominator and numerator have no common factors other than 1.
The simplest form of a fraction is an equivalent fraction having the fewest number of total parts.
Example 1: To write a fraction in simplest form:

The picture shows that 6 of the 8 children won stuffed animals at the fair , so
of the children won stuffed animals.

Divide the whole group of children into the fewest number of groups to make a fraction equivalent to
.
Four is the fewest number of groups the children can be evenly divided into to show a fraction equivalent to
.

The picture shows that 3 of the 4 groups, or
of the whole group of children won stuffed animals. So the simplest form of
is
.