Lcm of x and y is 1890 and yheir hcf is 30 if x=270 then find out x-y
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L.C.M.*H.C.F.=X*Y
1890*30=270*Y
56700=270*Y
56700/270=Y
210=Y
now
X-Y=270-210=60
1890*30=270*Y
56700=270*Y
56700/270=Y
210=Y
now
X-Y=270-210=60
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