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ZanzabumX [31]
3 years ago
10

How can you simplify 18/30?

Mathematics
2 answers:
coldgirl [10]3 years ago
5 0

Answer:

3/5

Step-by-step explanation:

Think:  What's the greatest common factor of 18 and 30?  It's 6.

Starting with 18/30, divide both numerator and denominator by 6, obtaining:

3/5

Kamila [148]3 years ago
5 0

Answer:

Simplified it would be 3/5

Step-by-step explanation:

Start by dividing them by any common factor that they both have. Both are divisible by 3, so we divide both numbers by 3.

18/3 = 6

30/3 = 10

6/10

At this point, both numbers are still divisible by 2, so we divide them again.

6/2 = 3

10/2 = 5

3/5

Since these numbers share no factors, we know we are done.

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Answer: 3/5

Step-by-step explanation: To find the reciprocal of 1 and 2/3, we first need to convert 1 and 2/3 to an improper fraction.

To write a mixed number as an improper fraction, first multiply the denominator times the whole number, then add the numerator.

So here, we multiply the denominator, 3, times the whole number, 1, then we add the numerator. So we have (3 x 1) + 2 or 3 + 2 which is 5.

Now we put our new number over our old denominator and we get 5/3.

However, we're not done yet. We still need to find the reciprocal.

The reciprocal describes a fraction so when we're asked to find the reciprocal of 5/3, we want to switch the numerator and denominator.

So if we switch 5/3, we get the proper fraction 3/5.

Therefore, the mixed number 1 and 2/3 is equivalent to the improper fraction 5/3, and if we switch the top and bottom numbers, we get 3/5.

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