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1 Answer

three fourths multiplied by twelve over twenty one is the same as

(3/4) x (12/21)

First we can simplify the fraction 12/21 to become

12/21 = (4x3)/(3x7) = 4/7


So,  (3/4) x (12/21)  =  (3/4) x (4/7)


So this can then become,

(3/4) x (4/7)  =  (3x4) / (4x7)

= 3/7


by Level 5 User (10.2k points)

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