Basic Math Examples

Evaluate 1/7+1/3
17+13
Step 1
To write 17 as a fraction with a common denominator, multiply by 33.
1733+13
Step 2
To write 13 as a fraction with a common denominator, multiply by 77.
1733+1377
Step 3
Write each expression with a common denominator of 21, by multiplying each by an appropriate factor of 1.
Tap for more steps...
Step 3.1
Multiply 17 by 33.
373+1377
Step 3.2
Multiply 7 by 3.
321+1377
Step 3.3
Multiply 13 by 77.
321+737
Step 3.4
Multiply 3 by 7.
321+721
321+721
Step 4
Combine the numerators over the common denominator.
3+721
Step 5
Add 3 and 7.
1021
Step 6
The result can be shown in multiple forms.
Exact Form:
1021
Decimal Form:
0.476190
 [x2  12  π  xdx ]