Solve 6.72*21/3-3.72*21/3=

$$6.72 \cdot 2 \frac { 1 } { 3 } - 3.72 \cdot 2 \frac { 1 } { 3 } =$$

Evaluate

$$7$$

Solution Steps

Multiply 2 and 3 to get 6.

$$6.72\times \frac{6+1}{3}-3.72\times \frac{2\times 3+1}{3}$$

Add 6 and 1 to get 7.

$$6.72\times \frac{7}{3}-3.72\times \frac{2\times 3+1}{3}$$

Convert decimal number 6.72 to fraction \frac{672}{100}. Reduce the fraction \frac{672}{100} to lowest terms by extracting and canceling out 4.

$$\frac{168}{25}\times \frac{7}{3}-3.72\times \frac{2\times 3+1}{3}$$

Multiply \frac{168}{25} times \frac{7}{3} by multiplying numerator times numerator and denominator times denominator.

$$\frac{168\times 7}{25\times 3}-3.72\times \frac{2\times 3+1}{3}$$

Do the multiplications in the fraction \frac{168\times 7}{25\times 3}.

$$\frac{1176}{75}-3.72\times \frac{2\times 3+1}{3}$$

Reduce the fraction \frac{1176}{75} to lowest terms by extracting and canceling out 3.

$$\frac{392}{25}-3.72\times \frac{2\times 3+1}{3}$$

Multiply 2 and 3 to get 6.

$$\frac{392}{25}-3.72\times \frac{6+1}{3}$$

Add 6 and 1 to get 7.

$$\frac{392}{25}-3.72\times \frac{7}{3}$$

Convert decimal number 3.72 to fraction \frac{372}{100}. Reduce the fraction \frac{372}{100} to lowest terms by extracting and canceling out 4.

$$\frac{392}{25}-\frac{93}{25}\times \frac{7}{3}$$

Multiply \frac{93}{25} times \frac{7}{3} by multiplying numerator times numerator and denominator times denominator.

$$\frac{392}{25}-\frac{93\times 7}{25\times 3}$$

Do the multiplications in the fraction \frac{93\times 7}{25\times 3}.

$$\frac{392}{25}-\frac{651}{75}$$

Reduce the fraction \frac{651}{75} to lowest terms by extracting and canceling out 3.

$$\frac{392}{25}-\frac{217}{25}$$

Since \frac{392}{25} and \frac{217}{25} have the same denominator, subtract them by subtracting their numerators.

$$\frac{392-217}{25}$$

Subtract 217 from 392 to get 175.

$$\frac{175}{25}$$

Divide 175 by 25 to get 7.

$$7$$

Factor

$$7$$