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winterblanco
08.11.2019 •
Mathematics
81/4 + 3 2/5 =
answer as soon as possible.
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Ответ:
8 1/4 = 8.25, and 3 2/5 = 3.40
Now that we have them in decimal form we can add them.
8.25 + 3.40 = 11.65, or 11 13/20.
I hope this helps!
Ответ:
Multiply 8 1/4 by 5/5 so that it has a denominator of 20.
Multiply 3 2/5 by 4/4 so that it has a denominator of 20.
8 1/4 × 5/5 = ?
Turn 8 1/4 into an improper fraction.
(4 × 8) + 1 = 33/4
So, 33/4 × 5/5 = 165/20
Turn 3 2/5 into an improper fraction.
(5 × 3) + 2 = 17/5
17/5 ×4/4 = 68/20
So, our new question is : 165/20 + 68/20
Because they have the same denominator, all you have to do is add the numerators together, and leave the denominator alone.
165 + 68 = 233
So, our answer is 233/20
However, we must turn this into a mixed number.
11 13/20
~Hope I helped!~
Ответ: