Solve 13*1+14*4+15*5+16*2/1+4+5+2

$$\frac{ 13 \times 1+14 \times 4+15 \times 5+16 \times 2 }{ 1+4+5+2 }$$

Evaluate

$$\frac{44}{3}\approx 14.666666667$$

Solution Steps

Multiply 13 and 1 to get 13. Multiply 14 and 4 to get 56. Multiply 15 and 5 to get 75. Multiply 16 and 2 to get 32.

$$\frac{13+56+75+32}{1+4+5+2}$$

Add 13 and 56 to get 69.

$$\frac{69+75+32}{1+4+5+2}$$

Add 69 and 75 to get 144.

$$\frac{144+32}{1+4+5+2}$$

Add 144 and 32 to get 176.

$$\frac{176}{1+4+5+2}$$

Add 1 and 4 to get 5.

$$\frac{176}{5+5+2}$$

Add 5 and 5 to get 10.

$$\frac{176}{10+2}$$

Add 10 and 2 to get 12.

$$\frac{176}{12}$$

Reduce the fraction \frac{176}{12} to lowest terms by extracting and canceling out 4.

$$\frac{44}{3}$$

Factor

$$\frac{2 ^ {2} \cdot 11}{3} = 14\frac{2}{3} = 14.666666666666666$$