3 years ago

Simplest form of 21/56

Mathematics

2 answers:

qaws [65]3 years ago

8 0

Divide both the numerator and the denominator by 7, that would give you ⅜

NeTakaya3 years ago

5 0

Exact form: 3/8
Decimal form: 0.375

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-5 1/2 -4 1/4 - 6 3/4

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For this case we have an expression of mixed numbers:

$5 \frac {1} {2} = \frac {2 * 5 + 1} {2} = \frac {11} {2}\\4 \frac {1} {4} = \frac {4 * 4 + 1} {4} = \frac {17} {4}\\6 \frac {3} {4} = \frac {4 * 6 + 3} {4} = \frac {27} {4}$

Rewriting the expression we have:

$- \frac {11} {2} - \frac {17} {4} -\frac {27} {4} =$

Remember that equal signs are added and the same sign is placed.

$- \frac {11} {2} - \frac {44} {4} =\\- \frac {11} {2} - \frac {22} {2} =\\- \frac {33} {2}$

Answer:

$- \frac {33} {2}\\-(15 \frac {3} {2})$

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