Solve 12/5*7/5+3/5

$$\frac { 12 } { 5 } \times \frac { 7 } { 5 } + \frac { 3 } { 5 }$$

Evaluate

$$\frac{99}{25}=3.96$$

Solution Steps

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

$$\frac{12\times 7}{5\times 5}+\frac{3}{5}$$

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

$$\frac{84}{25}+\frac{3}{5}$$

Least common multiple of 25 and 5 is 25. Convert \frac{84}{25} and \frac{3}{5} to fractions with denominator 25.

$$\frac{84}{25}+\frac{15}{25}$$

Since \frac{84}{25} and \frac{15}{25} have the same denominator, add them by adding their numerators.

$$\frac{84+15}{25}$$

Add 84 and 15 to get 99.

$$\frac{99}{25}$$

Factor

$$\frac{3 ^ {2} \cdot 11}{5 ^ {2}} = 3\frac{24}{25} = 3.96$$