Basic Math Examples

Simplify 2 1/2*1.2
2121.2
Step 1
Convert 212 to an improper fraction.
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Step 1.1
A mixed number is an addition of its whole and fractional parts.
(2+12)1.2
Step 1.2
Add 2 and 12.
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Step 1.2.1
To write 2 as a fraction with a common denominator, multiply by 22.
(222+12)1.2
Step 1.2.2
Combine 2 and 22.
(222+12)1.2
Step 1.2.3
Combine the numerators over the common denominator.
22+121.2
Step 1.2.4
Simplify the numerator.
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Step 1.2.4.1
Multiply 2 by 2.
4+121.2
Step 1.2.4.2
Add 4 and 1.
521.2
521.2
521.2
521.2
Step 2
Multiply 521.2.
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Step 2.1
Combine 52 and 1.2.
51.22
Step 2.2
Multiply 5 by 1.2.
62
62
Step 3
Divide 6 by 2.
3
 [x2  12  π  xdx ]