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natita [175]
3 years ago
8

Plz help..............refresh the page before u answer

Mathematics
1 answer:
Anni [7]3 years ago
8 0
To add/subtract fractions you need to have a common denominator...

(2/2)(4n/15)+(5/5)(n/6)

8n/30+5n/30

(8n+5n)/30

13n/30
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madam [21]

Answer:

40:70 becomes 20:35 which becomes 4: 7.

The answer is 4:7

Step-by-step explanation:

7 0
2 years ago
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salantis [7]

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Step-by-step explanation:

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3 years ago
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Setler [38]

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