Subtract 2/3-3/7

Math
23-37
To write 23 as a fraction with a common denominator, multiply by 77.
23⋅77-37
To write -37 as a fraction with a common denominator, multiply by 33.
23⋅77-37⋅33
Write each expression with a common denominator of 21, by multiplying each by an appropriate factor of 1.
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Multiply 23 and 77.
2⋅73⋅7-37⋅33
Multiply 3 by 7.
2⋅721-37⋅33
Multiply 37 and 33.
2⋅721-3⋅37⋅3
Multiply 7 by 3.
2⋅721-3⋅321
2⋅721-3⋅321
Combine the numerators over the common denominator.
2⋅7-3⋅321
Simplify the numerator.
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Multiply 2 by 7.
14-3⋅321
Multiply -3 by 3.
14-921
Subtract 9 from 14.
521
521
The result can be shown in multiple forms.
Exact Form:
521
Decimal Form:
0.238095‾
Subtract 2/3-3/7

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