How to solve 15/4 + 640/1071

1. Factor the equation (x + 2)(x + 3) = 0. 2. Set each factor equal to zero: x + 2 = 0 and x + 3 = 0. 3. Solve for x: x = -2 and x = -3.

Solve 15/4 + 640/1071 | Equatix

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$$\frac{15}{4}+\frac{640}{1071}$$

$\frac{18625}{4284}\approx 4.347572362$

Least common multiple of $4$ and $1071$ is $4284$. Convert $\frac{15}{4}$ and $\frac{640}{1071}$ to fractions with denominator $4284$.

$$\frac{16065}{4284}+\frac{2560}{4284}$$

Since $\frac{16065}{4284}$ and $\frac{2560}{4284}$ have the same denominator, add them by adding their numerators.

$$\frac{16065+2560}{4284}$$

Add $16065$ and $2560$ to get $18625$.

$$\frac{18625}{4284}$$

$\frac{5 ^ {3} \cdot 149}{2 ^ {2} \cdot 3 ^ {2} \cdot 7 \cdot 17} = 4\frac{1489}{4284} = 4.347572362278244$