Evaluate [2/9 , 7/2] .
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Step-by-step explanation:
write
2
7
as a fraction with a common denominator, multiply by
9
9
.
2
7
⋅
9
9
−
2
9
To write
−
2
9
as a fraction with a common denominator, multiply by
7
7
.
2
7
⋅
9
9
−
2
9
⋅
7
7
Write each expression with a common denominator of
63
, by multiplying each by an appropriate factor of
1
.
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2
⋅
9
63
−
2
⋅
7
63
Combine the numerators over the common denominator.
2
⋅
9
−
2
⋅
7
63
Simplify the numerator.
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4
63
The result can be shown in multiple forms.
Exact Form:
4
63
Decimal Form:
0.
¯¯¯¯¯¯¯¯¯¯¯¯
063492
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