Question

What is the differrnce betwern tbe lcm and hcf of numbers 20 30 and 40?

Answer 1

20=2×2×5
30=2×3×5
40=2×2×2×5

hcf(20,30,40)=2×5=10

lcm(20,30.40)=2×2×2×2×3×5=240

difference=hcf - lcm or =lcm - hcf
=10 - 240 =240- 10
=(-230) =230
hope this is correct answer