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SashulF [63]
3 years ago
13

What is 6 3/4 divided by 2 5/8?

Mathematics
2 answers:
Zinaida [17]3 years ago
6 0

Conversion a mixed number 6 3/4 to a improper fraction: 6 3/4 = 6 3/4 = 6 · 4 + 3/4 = 24 + 3/4 = 27/4.

To find new numerator:

Multiply the whole number 6 by the denominator 4. Whole number 6 equally 6 * 4/4 = 24/4

Add the answer from previous step 24 to the numerator 3. New numerator is 24 + 3 = 27

Write a previous answer (new numerator 27) over the denominator 4.

Six and three quarters is twenty-seven quarters

Conversion a mixed number 2 5/8

to a improper fraction: 2 5/8 = 2 5/8 = 2 · 8 + 5/8 = 16 + 5/8 = 21/8

To find new numerator:

Multiply the whole number 2 by the denominator 8. Whole number 2 equally 2 * 8/8 = 16/8

Add the answer from previous step 16 to the numerator 5. New numerator is 16 + 5 = 21.

Write a previous answer (new numerator 21) over the denominator 8.

Two and five eighths is twenty-one eighths

Divide: 27/4 : 21/8 = 27/4 · 8/21 = 27 · 8/4 · 21 = 216/84 = 12 · 18 /12 · 7 = 18/7

Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction. The first sub-step is to find the reciprocal (reverse the numerator and denominator, reciprocal of 21/

8 is 8/21) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators. In the next intermediate step , cancel by a common factor of 12 gives 18/7.

In words - twenty-seven quarters divided by twenty-one eighths = eighteen sevenths.

Katena32 [7]3 years ago
4 0

Answer:

2 4/7!

Step-by-step explanation:

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6 0
2 years ago
What value of c makes the equation true? c – 23.7 = 8.5 31.2 15.2 14.2 32.2
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Answer:

32.2 is your answer for c

Step-by-step explanation:

Note the equation:

c - 23.7 = 8.5

Note the equal sign. What you do to one side, you do to the other. Isolate the c. add 23.7 to both sides

c - 23.7 (+23.7) = 8.5 (+23.7)

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Answer:

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