Subtract 7/8-2/3

Math
78-23
To write 78 as a fraction with a common denominator, multiply by 33.
78⋅33-23
To write -23 as a fraction with a common denominator, multiply by 88.
78⋅33-23⋅88
Write each expression with a common denominator of 24, by multiplying each by an appropriate factor of 1.
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Multiply 78 and 33.
7⋅38⋅3-23⋅88
Multiply 8 by 3.
7⋅324-23⋅88
Multiply 23 and 88.
7⋅324-2⋅83⋅8
Multiply 3 by 8.
7⋅324-2⋅824
7⋅324-2⋅824
Combine the numerators over the common denominator.
7⋅3-2⋅824
Simplify the numerator.
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Multiply 7 by 3.
21-2⋅824
Multiply -2 by 8.
21-1624
Subtract 16 from 21.
524
524
The result can be shown in multiple forms.
Exact Form:
524
Decimal Form:
0.2083‾
Subtract 7/8-2/3

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