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rosijanka [135]
3 years ago
13

What is 8 1/5 - 3 5/9

Mathematics
1 answer:
wlad13 [49]3 years ago
6 0
To solve this without a calculator
change the fractions to improper fractions
41/5 - 32/9
Find a Least Common denominator
In this case, it is 45
to get 5 to 45 you multiply it by 9
to get 9 to 45 you multiply it by 5

41 * 9 / 5 * 9  -  32 * 5 / 9 * 5
369 / 45 - 160 / 45
subtract 
209/45
This can't be simplified any further 
Written into mixed number it is, 
4 29/45

Hope this helps
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Answers:

1.) 18 lemons
2.) 80 minutes

Explanation:

Porportions are a lot like fractions. For the first question, you can make the fraction 6/8, or 3/4 simplified. This means that for every 8 cups of water, you need 6 lemons.

Then, to find the amount of lemons you need if you have 24 cups of water, you need to think about what×8= 24. If we divide 24 by 8, we get 3, so if we multiply our fraction by 3/3, we should get the answer.

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