Solve 11/77+12/77+13/77

$$\frac { 11 } { 77 } + \frac { 12 } { 77 } + \frac { 13 } { 77 }$$

Evaluate

$$\frac{36}{77}\approx 0.467532468$$

Solution Steps

Since \frac{11}{77} and \frac{12}{77} have the same denominator, add them by adding their numerators.

$$\frac{11+12}{77}+\frac{13}{77}$$

Add 11 and 12 to get 23.

$$\frac{23}{77}+\frac{13}{77}$$

Since \frac{23}{77} and \frac{13}{77} have the same denominator, add them by adding their numerators.

$$\frac{23+13}{77}$$

Add 23 and 13 to get 36.

$$\frac{36}{77}$$

Factor

$$\frac{2 ^ {2} \cdot 3 ^ {2}}{7 \cdot 11} = 0.4675324675324675$$