The HCF of 20 and 28 is
The LCM of 6 and 9 is
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Step-by-step explanation:
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Answer:
if we want to find out HCF we make their factors of 20 and 28
factorise them and then find out the numbers which are comen in them
we see there 2,2 are commen so HCF is 4
Step-by-step explanation:
1)b.we have to find LCM again factorise them which is common between both took it one time here 3 is common so we took 3 once time then LCM will be 2*3*3= 18
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