Solve 15/7*2.8div(1.5-0.3)

$$1 \frac { 5 } { 7 } \times 2.8 \div ( 1.5 - 0.3 )$$

Evaluate

$$4$$

Solution Steps

Multiply 1 and 7 to get 7.

$$\frac{\frac{7+5}{7}\times 2.8}{1.5-0.3}$$

Add 7 and 5 to get 12.

$$\frac{\frac{12}{7}\times 2.8}{1.5-0.3}$$

Convert decimal number 2.8 to fraction \frac{28}{10}. Reduce the fraction \frac{28}{10} to lowest terms by extracting and canceling out 2.

$$\frac{\frac{12}{7}\times \frac{14}{5}}{1.5-0.3}$$

Multiply \frac{12}{7} times \frac{14}{5} by multiplying numerator times numerator and denominator times denominator.

$$\frac{\frac{12\times 14}{7\times 5}}{1.5-0.3}$$

Do the multiplications in the fraction \frac{12\times 14}{7\times 5}.

$$\frac{\frac{168}{35}}{1.5-0.3}$$

Reduce the fraction \frac{168}{35} to lowest terms by extracting and canceling out 7.

$$\frac{\frac{24}{5}}{1.5-0.3}$$

Subtract 0.3 from 1.5 to get 1.2.

$$\frac{\frac{24}{5}}{1.2}$$

Express \frac{\frac{24}{5}}{1.2} as a single fraction.

$$\frac{24}{5\times 1.2}$$

Multiply 5 and 1.2 to get 6.

$$\frac{24}{6}$$

Divide 24 by 6 to get 4.

$$4$$

Factor

$$2^{2}$$