Evaluate 17/10-4/5

Math
1710-45
To write -45 as a fraction with a common denominator, multiply by 22.
1710-45⋅22
Write each expression with a common denominator of 10, by multiplying each by an appropriate factor of 1.
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Multiply 45 and 22.
1710-4⋅25⋅2
Multiply 5 by 2.
1710-4⋅210
1710-4⋅210
Combine the numerators over the common denominator.
17-4⋅210
Simplify the numerator.
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Multiply -4 by 2.
17-810
Subtract 8 from 17.
910
910
The result can be shown in multiple forms.
Exact Form:
910
Decimal Form:
0.9
Evaluate 17/10-4/5

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