Solve 1.25div(-0.5)div(-21/2)

$$1.25 \div ( - 0.5 ) \div ( - 2 \frac { 1 } { 2 } )$$

Evaluate

$$1$$

Solution Steps

Expand \frac{1.25}{-0.5} by multiplying both numerator and the denominator by 100.

$$\frac{\frac{125}{-50}}{-\frac{2\times 2+1}{2}}$$

Reduce the fraction \frac{125}{-50} to lowest terms by extracting and canceling out 25.

$$\frac{-\frac{5}{2}}{-\frac{2\times 2+1}{2}}$$

Multiply 2 and 2 to get 4.

$$\frac{-\frac{5}{2}}{-\frac{4+1}{2}}$$

Add 4 and 1 to get 5.

$$\frac{-\frac{5}{2}}{-\frac{5}{2}}$$

Divide -\frac{5}{2} by -\frac{5}{2} to get 1.

$$1$$

Factor

$$1$$