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What is the missing number?
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What is the missing number?

What is the missing number?-example-1
User Christian Witts
by
4.8k points

1 Answer

1 vote

Answer:

42

Explanation:

You want to know the missing denominator in the equation ...

2/35 = 1/30 +1/x

Solution

Subtract 1/30 from both sides and simplify.

2/35 -1/30 = 1/x

(2·30 -1·35)/(35·30) = 1/x

25/(35·30) = 1/x

1/(7·6) = 1/42 = 1/x

The missing denominator is 42.

User Mkosmala
by
4.7k points
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