How do i solve?
Source: temasek secondary
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Question
Answer
TansAcademy
12 = 2^2 x 3 x 1
40 = 2^3 x 5 x 1
45 = 3^2 x 5 x 1
HCF = 1 (all numbers have a factor of 1)
LCM = 2^3 x 3^2 x 5
= 360
alfretztay
12 = 2 x 2 x 3
40 = 2 x 2 x 2 x 5
45 = 3 x 3 x 5
HCF = 1
LCM = 2^3 x 3^2 x 5 = 360
Ans : HCF = 1 and LCM = 360.
_Zodiak_
HCF: 12=1x2x2x3
40=1x2x2x2x5
45=1x3x3x5
HCF=3
LCM= 1X2X2X2X3X3X5=360
Maths Master Chin
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