Factor 3/4a-7/8a

Math
34a-78a
Factor a out of 34a-78a.
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Factor a out of 34a.
a34-78a
Factor a out of -78a.
a34+a(-78)
Factor a out of a34+a(-78).
a(34-78)
a(34-78)
To write 34 as a fraction with a common denominator, multiply by 22.
a(34⋅22-78)
Write each expression with a common denominator of 8, by multiplying each by an appropriate factor of 1.
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Multiply 34 and 22.
a(3⋅24⋅2-78)
Multiply 4 by 2.
a(3⋅28-78)
a(3⋅28-78)
Combine the numerators over the common denominator.
a3⋅2-78
Simplify the numerator.
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Multiply 3 by 2.
a6-78
Subtract 7 from 6.
a-18
a-18
Factor.
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Move the negative in front of the fraction.
a(-18)
Remove unnecessary parentheses.
a⋅-118
a⋅-118
Combine exponents.
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Factor out negative.
-(a18)
Combine a and 18.
-a8
-a8
Factor 3/4a-7/8a

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