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Evgen [1.6K]
3 years ago
10

19 4/12 + 17 2/11 - 16 6/9 =

Mathematics
1 answer:
SOVA2 [1]3 years ago
6 0

Answer:

19 28/33

Step-by-step explanation:

lets work out the whole number parts first:

= 19 + 17 - 16 = 20.

4/12 + 2/11 - 6/9

= 1/3 + 2/11 - 6/9

Find the LCM of the denominators:

3 = 3

11 = 11

9 = 3*3

- so the LCM is 3*3*11 = 99.

So we have:

33/99 + 18/99 - 66/99

= 51/99 - 66/99

= -15/99

= -5/33

So the answer is  20 - 5/33

= 19 28/33

You just had to subtract 5/33 from 20.

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SOVA2 [1]

Answer:

Answer is 17

Step-by-step explanation:

-2 2/5 + 3 1/4

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multiply both side with 20 we get

20* -12/5 +13/4 *20

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Answer: 76 roses were sold.

Step-by-step explanation:

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