Subtract 1/2-7/8

Math
12-78
To write 12 as a fraction with a common denominator, multiply by 44.
12⋅44-78
Write each expression with a common denominator of 8, by multiplying each by an appropriate factor of 1.
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Multiply 12 and 44.
42⋅4-78
Multiply 2 by 4.
48-78
48-78
Combine the numerators over the common denominator.
4-78
Subtract 7 from 4.
-38
Move the negative in front of the fraction.
-38
The result can be shown in multiple forms.
Exact Form:
-38
Decimal Form:
-0.375
Subtract 1/2-7/8

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