Basic Math Examples

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Basic Math
Simplify 3/4+4/5
34+4534+45
Step 1
To write 3434 as a fraction with a common denominator, multiply by 5555.
34⋅55+4534⋅55+45
Step 2
To write 4545 as a fraction with a common denominator, multiply by 4444.
34⋅55+45⋅4434⋅55+45⋅44
Step 3
Write each expression with a common denominator of 2020, by multiplying each by an appropriate factor of 11.
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Step 3.1
Multiply 3434 by 5555.
3⋅54⋅5+45⋅443⋅54⋅5+45⋅44
Step 3.2
Multiply 44 by 55.
3⋅520+45⋅443⋅520+45⋅44
Step 3.3
Multiply 4545 by 4444.
3⋅520+4⋅45⋅43⋅520+4⋅45⋅4
Step 3.4
Multiply 55 by 44.
3⋅520+4⋅4203⋅520+4⋅420
3⋅520+4⋅4203⋅520+4⋅420
Step 4
Combine the numerators over the common denominator.
3⋅5+4⋅4203⋅5+4⋅420
Step 5
Simplify the numerator.
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Step 5.1
Multiply 33 by 55.
15+4⋅42015+4⋅420
Step 5.2
Multiply 44 by 44.
15+162015+1620
Step 5.3
Add 1515 and 1616.
31203120
31203120
Step 6
The result can be shown in multiple forms.
Exact Form:
31203120
Decimal Form:
1.551.55
Mixed Number Form:
1112011120
 [x2  12  √π  ∫xdx ]  ⎡⎢⎣x2  12  √π  ∫xdx ⎤⎥⎦