0.8:4/15化成最简整数比是_,比值是_.

问题描述:

0.8:

4
15
化成最简整数比是______,比值是______.

(1)0.8:

4
15

=
4
5
4
15

=(
4
5
×
15
4
):(
4
15
×
15
4
),
=3:1;
(2)0.8:
4
15

=
4
5
÷
4
15

=
4
5
×
15
4

=3;
故答案为:3:1,3.