Select those which can be written as a rational number with denominator 7 in their lowest form
$\frac{7}{8}, \frac{49}{14}, \frac{- 56}{28}, \frac{63}{- 21}, \frac{8}{- 7}, \frac{- 140}{- 28}$ [1 mark]

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Solution

$\frac{8}{- 7} = \frac{- 8}{7}$

From the given rational numbers, the number that can be written in lowest form with denominator 7 is $\frac{8}{- 7}$ . (1 mark)

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Similar questions

Q. Select those rational numbers which can be written as a rational number with denominator 4:

\frac{7}{8}, \frac{64}{16}, \frac{36}{- 12}, \frac{- 16}{17}, \frac{5}{- 4}, \frac{140}{28}

Q. Select those which can be written as a rational number with denominator 4 in their lowest form

\frac{7}{8}, \frac{64}{16}, \frac{36}{- 12}, \frac{- 16}{17}, \frac{5}{- 4}, \frac{140}{28}

Select those which can be written as a rational number with denominator $4$ in their lowest form: (7/8), (64/16), (36/-12), (-16/17), (5/-4), (140/28)

Q. Question 101
Select those which can be written as a rational number with denominator 4 in their lowest form

\frac{7}{8}, \frac{64}{16}, \frac{36}{- 12}, \frac{- 16}{17}, \frac{5}{- 4}, \frac{140}{28}

Q. Select those which can be written as a rational number with denominator 5 in their standard form:

\frac{- 50}{75}, \frac{- 15}{25}, \frac{45}{- 75}, \frac{10}{- 5}, \frac{55}{15}, \frac{- 20}{65}, \frac{- 15}{75},

and

\frac{35}{30}

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Select those which can be written as a rational number with denominator 7 in their lowest form 78,4914,−5628,63−21,8−7,−140−28 [1 mark]

8−7=−87 From the given rational numbers, the number that can be written in lowest form with denominator 7 is 8−7. (1 mark)

Select those which can be written as a rational number with denominator 7 in their lowest form
$\frac{7}{8}, \frac{49}{14}, \frac{- 56}{28}, \frac{63}{- 21}, \frac{8}{- 7}, \frac{- 140}{- 28}$ [1 mark]

$\frac{8}{- 7} = \frac{- 8}{7}$

From the given rational numbers, the number that can be written in lowest form with denominator 7 is $\frac{8}{- 7}$ . (1 mark)