Solve 1-1/3.1*3.1

$$1- \frac{ 1 }{ 3.1 \times 3.1 }$$

Evaluate

$$\frac{861}{961}\approx 0.895941727$$

Solution Steps

Multiply 3.1 and 3.1 to get 9.61.

$$1-\frac{1}{9.61}$$

Expand \frac{1}{9.61} by multiplying both numerator and the denominator by 100.

$$1-\frac{100}{961}$$

Convert 1 to fraction \frac{961}{961}.

$$\frac{961}{961}-\frac{100}{961}$$

Since \frac{961}{961} and \frac{100}{961} have the same denominator, subtract them by subtracting their numerators.

$$\frac{961-100}{961}$$

Subtract 100 from 961 to get 861.

$$\frac{861}{961}$$

Factor

$$\frac{3 \cdot 7 \cdot 41}{31 ^ {2}} = 0.8959417273673257$$