How to solve 15/21 - 3/7

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 15/21 - 3/7 | Equatix

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$$\frac{15}{21}-\frac{3}{7}$$

$\frac{2}{7}\approx 0.285714286$

Reduce the fraction $\frac{15}{21}$ to lowest terms by extracting and canceling out $3$.

$$\frac{5}{7}-\frac{3}{7}$$

Since $\frac{5}{7}$ and $\frac{3}{7}$ have the same denominator, subtract them by subtracting their numerators.

$$\frac{5-3}{7}$$

Subtract $3$ from $5$ to get $2$.

$$\frac{2}{7}$$

$\frac{2}{7} = 0.2857142857142857$