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strojnjashka [21]
2 years ago
7

4 7/10 + 6/8 Fractions please help cant solve. used two methods but answer isnt the same as the answer page from the book

Mathematics
2 answers:
erastova [34]2 years ago
6 0

Answer:

5 9/20

Step-by-step explanation:

4 7/10 + 6/8

Simplify the fractions by dividing the second top and bottom  by 2

4 7/10 + 3/4

Getting a common denominator of 20

4 7/10 *2/2  + 3/4 * 5/5

4 14/20  + 15/20

4 29/20

4 + 20/20 + 9/20

4+1+9/20

5 9/20

pav-90 [236]2 years ago
4 0

First, you have to find the common denominator.

It is 40.

But if we change the denominator, you have to change the numerator as well.

We multiplied 10 by 4 to get to 40, so we multiply 7 by 4.

\frac{28}{40}

We multiplied 8 by 5 to get to 40, so we do the same to 6:

\frac{30}{40}

Now add them:

\frac{28}{40} +\frac{30}{40}

We get:

58/40

1+18/40 is my answer...

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