Basic Math Examples

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Basic Math
Evaluate 4/5-5/8
45-5845−58
Step 1
To write 4545 as a fraction with a common denominator, multiply by 8888.
45⋅88-5845⋅88−58
Step 2
To write -58−58 as a fraction with a common denominator, multiply by 5555.
45⋅88-58⋅5545⋅88−58⋅55
Step 3
Write each expression with a common denominator of 4040, by multiplying each by an appropriate factor of 11.
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Step 3.1
Multiply 4545 by 8888.
4⋅85⋅8-58⋅554⋅85⋅8−58⋅55
Step 3.2
Multiply 55 by 88.
4⋅840-58⋅554⋅840−58⋅55
Step 3.3
Multiply 5858 by 5555.
4⋅840-5⋅58⋅54⋅840−5⋅58⋅5
Step 3.4
Multiply 88 by 55.
4⋅840-5⋅5404⋅840−5⋅540
4⋅840-5⋅5404⋅840−5⋅540
Step 4
Combine the numerators over the common denominator.
4⋅8-5⋅5404⋅8−5⋅540
Step 5
Simplify the numerator.
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Step 5.1
Multiply 44 by 88.
32-5⋅54032−5⋅540
Step 5.2
Multiply -5−5 by 55.
32-254032−2540
Step 5.3
Subtract 2525 from 3232.
740740
740740
Step 6
The result can be shown in multiple forms.
Exact Form:
740740
Decimal Form:
0.1750.175
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 [x2  12  √π  ∫xdx ]  ⎡⎢⎣x2  12  √π  ∫xdx ⎤⎥⎦