Question

Find a missing numerators in each of the following problems. a. 10/15 = /60 b. /180 = 4 / 9 c. 7/11 = /121 d. /144 = 2/6

Answer 1

a) 40

b) 80

c) 77

d) 48

Explanation:

To find the missing numerator, multiply the equation by the denominator of the fraction with the missing numerator.

a) (10/15)(60) = (x/60)(60)

40 = x

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b) (x/180)(180) = (4/9)(180)

x = 80

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c) (7/11)(121) = (x/121)(121)

77 = x

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d) (x/144)(144) = (2/6)(144)

x = 48