4 ÷ 1/2 = ?

1 ÷ 19/10 = ?

5/7 ÷ 4 = ?

5 ÷ 5/3 = ?
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2 Answers

4/ (1/2)=2*4=8

..............
by

The rule for dividing by a fraction is to invert it and multiply. So if a fraction is represented by two integers a and b as a/b, then to divide by a/b we multiply by b/a. Therefore the answers are:

8 (1/2 inverted is 2), 10/19, 5/28 (4 inverted is 1/4), 3 (5's cancel out).

by Top Rated User (599k points)

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