starowl05
starowl05 starowl05
  • 24-10-2017
  • Mathematics
contestada

if you want to find the difference of 6/25 - 4/5 what common denominator should you choose? why?

Respuesta :

chi3fcomm5nd
chi3fcomm5nd chi3fcomm5nd
  • 24-10-2017
you should always choose the LCM is a common denominator
LCM(5,25)=25
the first fraction already has 25 as its denominator
the second fraction we must multiply by 5 above and below
so
6/25-4*5/5*5
6/25-20/25 =
-14/25
Answer Link
keb7299881 keb7299881
  • 07-09-2018

You should always choose the LCM is a common denominator

LCM(5,25)=25

the first fraction already has 25 as its denominator

the second fraction we must multiply by 5 above and below

so

6/25-4*5/5*5

6/25-20/25 =

-14/25



Answer Link

Otras preguntas

How did lawmaking at Jamestown differ from lawmaking at Plymouth?
What is 786,000 in scientific notation
Greek and Roman philosophers contributed to the theory of evolution when they agreed that?
Which of the following statements is true? A.Fusion splits atoms. B.Uranium 235 is produced from fission. C.The heat from stars is created by fusion. D.Enrico F
Andrew has six fewer coins than Casey. Bob has two more than twice as many coins as Andrew. Altogether, they have 504 coins. How many coins does Bob have?
What is a sentence for secondary color
What happens to the kinetic energy of a snowball as it rolls across the lawn and gains mass?
63 hundreds equal how many tens
What are the first organisms to grow in new or disturbed areas
HELP!!! The root word Chron- means? a. Month b. Time c. Day d. Year