28/15
Explanation:
2/1/3 x 4/5 =
Make 2/1/3 into a improper fraction = 7/3
so,
7/3 x 4/5 =
Multiply normally.
7/3 x 4/5 = 28/15
Answer:
9. 28/15
9. 2 1/3 x 4/5
7/3 x 4/5
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