Question

1/180 - 1/480= ?

Answer 1

` 1/180 - 1/480= 8/1440 - 3/1440 = 5/1440 = 1/288`

Answer 2

\(\dfrac{1}{180}-\dfrac{1}{480}=\dfrac{1\times480}{180\times480}-\dfrac{1\times180}{480\times180}=\dfrac{480}{86400}-\dfrac{180}{86400}=\dfrac{480-180}{86400}=\dfrac{300}{86400}=\dfrac{1}{288}.\)

Answer 3

\(\dfrac{1}{180}-\dfrac{1}{480}=\dfrac{8}{1440}-\dfrac{3}{1440}=\dfrac{8-3}{1440}=\dfrac{5}{1440}=\dfrac{1}{288}\)