#15/4÷3/4#=?

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Answer 1 · 2017-08-10T04:05:50

# 5#

#15/4 = 3.75#

#3/4 = 0.75#

#0.75 xx (5) = 3.75#

#3.75/0.75 = 5#

#15/4÷3/4 = 5#

Answer 2 · 2017-08-10T04:05:52

#15/4 xx 4/3=5#

#15 /4 xx 4/3#

#4 " cancel with " 4 and 3 " cancels into " 15, 5# times.

#cancel15^5 /cancel4 xx cancel4/cancel3#

#=5#

Division is the inverse of multiplication.

Answer 3 · 2017-08-10T08:24:16

#5#

#a/b-:c/d=a/b*d/c=>(ad)/(bc)#

So#, 15/4-:3/4=15/4*4/3=>(15*4)/(4*3)#

#=>(15*cancelcolor(red)4)/(cancelcolor(red)4*3)#

#=>15/3#

#=> (3*5)/3#

#=>(cancelcolor(red)3*5)/cancelcolor(red)3#

#=>5#

So#,#the answer is #5.#