# Ratio of two numbers is 4:5 and their LCM is 220. find the numbers

2
by sanaparveen161

2015-02-06T16:28:18+05:30

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Ratio of numbers = 4:5
let the numbers be 4x and 5x.
4x = 4 × x
5x = 5 × x
So LCM = 4×5×x = 20x

20x = 220
⇒ x = 220/20 = 11

numbers are:
4x = 4×11 = 44
5x = 5×11 = 55

It is the common number so it gets repeated only once
Did u get
Dear frnd try yourself for 20,30
U will understand
ohh got it like this - (4*5) x right?
2015-02-06T16:53:25+05:30

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Given ratio=4:5 So,let the numbers be 4y,5y L.C.M=4*5*y =20y 20y=220 Y=220/20 Y=11 And thus the numbers could be find 4y=4*11=44 5y=5*55=55