How to solve 4/9 - 2/7

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 4/9 - 2/7 | Equatix

Basic Math

Pre-Algebra

Algebra

Trigonometry

Calculus

Precalculus

Statistics

Finite Math

Linear Algebra

Chemistry

$$\frac{4}{9}-\frac{2}{7}$$

$\frac{10}{63}\approx 0.158730159$

Least common multiple of $9$ and $7$ is $63$. Convert $\frac{4}{9}$ and $\frac{2}{7}$ to fractions with denominator $63$.

$$\frac{28}{63}-\frac{18}{63}$$

Since $\frac{28}{63}$ and $\frac{18}{63}$ have the same denominator, subtract them by subtracting their numerators.

$$\frac{28-18}{63}$$

Subtract $18$ from $28$ to get $10$.

$$\frac{10}{63}$$

$\frac{2 \cdot 5}{3 ^ {2} \cdot 7} = 0.15873015873015872$