How to solve - 1/7 + 5/9

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 - 1/7 + 5/9 | Equatix

Basic Math

Pre-Algebra

Algebra

Trigonometry

Calculus

Precalculus

Statistics

Finite Math

Linear Algebra

Chemistry

$$\frac{-1}{7}+\frac{5}{9}$$

$\frac{26}{63}\approx 0.412698413$

Fraction $\frac{-1}{7}$ can be rewritten as $-\frac{1}{7}$ by extracting the negative sign.

$$-\frac{1}{7}+\frac{5}{9}$$

Least common multiple of $7$ and $9$ is $63$. Convert $-\frac{1}{7}$ and $\frac{5}{9}$ to fractions with denominator $63$.

$$-\frac{9}{63}+\frac{35}{63}$$

Since $-\frac{9}{63}$ and $\frac{35}{63}$ have the same denominator, add them by adding their numerators.

$$\frac{-9+35}{63}$$

Add $-9$ and $35$ to get $26$.

$$\frac{26}{63}$$

$\frac{2 \cdot 13}{3 ^ {2} \cdot 7} = 0.4126984126984127$