19-12-2018
Mathematics

contestada

Find the sum or difference.
20/21. - 5/21. HELP ME PLEASE
A.2/3
B.5/7
C.16/21.

Respuesta :

Bra1nPowers Bra1nPowers

19-12-2018

5/7, 20/21 - 5/21 can be thought of as 20 -5, which equals 15, 15/21 can be narrowed down to 5/7 by dividing by 3.

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danikaliebhart danikaliebhart

19-12-2018

Answer:

It would be B. because if you subtract them you would have 15/21. divide both by three and you get 5/7. Hope this helps

Step-by-step explanation:

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