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Basic Math Examples
12+1512+15
Step 1
To write 1212 as a fraction with a common denominator, multiply by 5555.
12⋅55+1512⋅55+15
Step 2
To write 1515 as a fraction with a common denominator, multiply by 2222.
12⋅55+15⋅2212⋅55+15⋅22
Step 3
Step 3.1
Multiply 1212 by 5555.
52⋅5+15⋅2252⋅5+15⋅22
Step 3.2
Multiply 22 by 55.
510+15⋅22510+15⋅22
Step 3.3
Multiply 1515 by 2222.
510+25⋅2510+25⋅2
Step 3.4
Multiply 55 by 22.
510+210510+210
510+210510+210
Step 4
Combine the numerators over the common denominator.
5+2105+210
Step 5
Add 55 and 22.
710710
Step 6
The result can be shown in multiple forms.
Exact Form:
710710
Decimal Form:
0.70.7