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Answer» For LCM just take the common multiple EG.. we will take two numbers ... 10 ND 15 step 1.. choose the highest number which is 15.. then CHECK 15 is divisible by 10 ND 15 both or not.. if yes then 15 will be UR lcm... if not then take next multiple of 15 which is 30... 15*2 = 30 ...
now 30 is divisible by both 10 nd 15 so our lcm is 30 ....
to find hcf... hcf MEANS highest common factor ...
eg 10 and 30
10= 2*5
30= 2*5*3 take common number = 5 ND dis is also highest from among.. so 5 will be hcf of 10 and 30..
I hope it will help u !!!
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