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Answer:

-15/12 = -1.25

15/-12 = -1.25

-15/-12 = 1.25

[tex]-\frac{15}{12}[/tex] = -1.25

Step-by-step explanation:

15 divided by 12 is 1.25

A negative divided by a positive is a negative. And a positive divided by a negative is also a negative.

A negative divided by a negative is a positive.

Answer:

Divide both number by thier greatest common divisor which is 3

1)

[tex] \frac{ -15}{12} [/tex] = [tex] \frac{ - 15 \div 3}{12 \div 3} [/tex] = [tex] \frac{ - 5}{4} [/tex]

2)

[tex] \frac{15}{ - 12} [/tex] = [tex] \frac{15 \div 3}{ - 12 \div 3} [/tex] = [tex] \frac{5}{ - 4} [/tex]

3)

[tex] \frac{ - 15}{ - 12} [/tex] = [tex] \frac{ - 15 \div 3}{ - 12 \div 3} [/tex] = [tex] \frac{ - 5}{ - 4} [/tex] = [tex] \frac{5}{4} [/tex]

4)

[tex] - \frac{15}{12} [/tex] = [tex] - \frac{15 \div 3}{12 \div 3} [/tex] = [tex] - \frac{5}{4} [/tex]