write answer in simplest form. to divide by a fraction multiply by its reciprocal.
i don’t understand. help?
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Answer:
21/4
Step-by-step explanation:
Reciprocal means you swap the fraction around.
So divide by 2/3 becomes multiply by 3/2.
In this example:
3 1/2 * 3/2 = 7/2 * 3/2 = 21/4
Answer:
5 1/4 or 21/4.
Step-by-step explanation:
The reciprocal of 2/3 is 1 divided by 2/3 = 3/2.
Also we convert the 3 1/2 to an improper fraction. That is 7/2. So:
3 1/2 ÷2/3
= 7/2 ÷ 2/3
= 7/2 * 3/2
= 21/4
= 5 1/4.