How to solve 15/21 - 3/21 =

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 - 3/21 = | Equatix

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

$\frac{4}{7}\approx 0.571428571$

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

$$\frac{5}{7}-\frac{3}{21}$$

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

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

Since $\frac{5}{7}$ and $\frac{1}{7}$ have the same denominator, subtract them by subtracting their numerators.

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

Subtract $1$ from $5$ to get $4$.

$$\frac{4}{7}$$

$\frac{2 ^ {2}}{7} = 0.5714285714285714$