Divide (-12 4/5)÷(-1 1/15)

Math
-1245÷(-1115)
Convert 1245 to an improper fraction.
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A mixed number is an addition of its whole and fractional parts.
-(12+45)-1115
Add 12 and 45.
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To write 12 as a fraction with a common denominator, multiply by 55.
-(12⋅55+45)-1115
Combine 12 and 55.
-(12⋅55+45)-1115
Combine the numerators over the common denominator.
-12⋅5+45-1115
Simplify the numerator.
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Multiply 12 by 5.
-60+45-1115
Add 60 and 4.
-645-1115
-645-1115
-645-1115
-645-1115
Convert 1115 to an improper fraction.
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A mixed number is an addition of its whole and fractional parts.
-645-(1+115)
Add 1 and 115.
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Write 1 as a fraction with a common denominator.
-645-(1515+115)
Combine the numerators over the common denominator.
-645-15+115
Add 15 and 1.
-645-1615
-645-1615
-645-1615
Dividing two negative values results in a positive value.
6451615
Multiply the numerator by the reciprocal of the denominator.
645⋅1516
Cancel the common factor of 16.
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Factor 16 out of 64.
16(4)5⋅1516
Cancel the common factor.
16⋅45⋅1516
Rewrite the expression.
45⋅15
45⋅15
Cancel the common factor of 5.
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Factor 5 out of 15.
45⋅(5(3))
Cancel the common factor.
45⋅(5⋅3)
Rewrite the expression.
4⋅3
4⋅3
Multiply 4 by 3.
12
Divide (-12 4/5)÷(-1 1/15)

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