Mohon dijawwab yang mau jawab bsk di kumpul bantuin pliissss​

1 2/3×2 2/7: 1 3/5

=1 2/3=5/3

=2 2/7=16/7

=1 3/5=8/5

5/3×16/7

=80/21

80/21:8/5

=80/21×5/8

=50/21