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Please help need a second opinion 2/5 X 5/7 X 1/2= 1/7 is this the wrong answer?
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1 vote
Please help need a second opinion 2/5 X 5/7 X 1/2= 1/7
is this the wrong answer?

User Shawn Steward
by
7.0k points

2 Answers

1 vote
Multiply the numerators and the denominators to get:

(2*5*1)/(5*7*2)

10/70

This is equal to 1/7*10/10, or 1/7*1, or 1/7. Therefore, 1/7 is the correct answer.
User Christophe Henry
by
7.6k points
2 votes
when multiplying, multiply numberators with numberators and denomenoators with denemators so
2/5 tiems 5/7 times 1/2=(2 times 5 times 1)/(5 times 7 times 2)=(10)/(70=10/70 = 1/7
this is the correct answer
User Moaud Louhichi
by
7.9k points
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