Basic Math Examples

$0.79 + 63.78 - 69 - 9 + 1.89$

Step 1

Add $0.79$ and $63.78$ .

$64.57 - 69 - 9 + 1.89$

Step 2

Subtract $69$ from $64.57$ .

$- 4.43 - 9 + 1.89$

Step 3

Subtract $9$ from $- 4.43$ .

$- 13.43 + 1.89$

Step 4

Add $- 13.43$ and $1.89$ .

$- 11.54$

Step 5

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{- 11.54}{1}$

Step 6

Divide $- 11.54$ by $1$ .

$- 11.54$