Solve 3,12+2-1/3

$$3,12 + 2 - \frac { 1 } { 3 }$$

Evaluate

$$\frac{359}{75}\approx 4,786666667$$

Solution Steps

Add 3,12 and 2 to get 5,12.

$$5,12-\frac{1}{3}$$

Convert decimal number 5,12 to fraction \frac{512}{100}. Reduce the fraction \frac{512}{100} to lowest terms by extracting and canceling out 4.

$$\frac{128}{25}-\frac{1}{3}$$

Least common multiple of 25 and 3 is 75. Convert \frac{128}{25} and \frac{1}{3} to fractions with denominator 75.

$$\frac{384}{75}-\frac{25}{75}$$

Since \frac{384}{75} and \frac{25}{75} have the same denominator, subtract them by subtracting their numerators.

$$\frac{384-25}{75}$$

Subtract 25 from 384 to get 359.

$$\frac{359}{75}$$

Factor

$$\frac{359}{3 \cdot 5 ^ {2}} = 4\frac{59}{75} = 4.786666666666667$$