Solve 400/35*7.9

$$\frac{ 400 }{ 35 } \times 7.9$$

Evaluate

$$\frac{632}{7}\approx 90.285714286$$

Solution Steps

Reduce the fraction \frac{400}{35} to lowest terms by extracting and canceling out 5.

$$\frac{80}{7}\times 7.9$$

Convert decimal number 7.9 to fraction \frac{79}{10}.

$$\frac{80}{7}\times \frac{79}{10}$$

Multiply \frac{80}{7} times \frac{79}{10} by multiplying numerator times numerator and denominator times denominator.

$$\frac{80\times 79}{7\times 10}$$

Do the multiplications in the fraction \frac{80\times 79}{7\times 10}.

$$\frac{6320}{70}$$

Reduce the fraction \frac{6320}{70} to lowest terms by extracting and canceling out 10.

$$\frac{632}{7}$$

Factor

$$\frac{79 \cdot 2 ^ {3}}{7} = 90\frac{2}{7} = 90.28571428571429$$