How to solve -7/8+21/4

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 -7/8+21/4 | Equatix

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$$-7/8+21/4$$

$\frac{35}{8}=4.375$

Fraction $\frac{-7}{8}$ can be rewritten as $-\frac{7}{8}$ by extracting the negative sign.

$$-\frac{7}{8}+\frac{21}{4}$$

Least common multiple of $8$ and $4$ is $8$. Convert $-\frac{7}{8}$ and $\frac{21}{4}$ to fractions with denominator $8$.

$$-\frac{7}{8}+\frac{42}{8}$$

Since $-\frac{7}{8}$ and $\frac{42}{8}$ have the same denominator, add them by adding their numerators.

$$\frac{-7+42}{8}$$

Add $-7$ and $42$ to get $35$.

$$\frac{35}{8}$$

$\frac{5 \cdot 7}{2 ^ {3}} = 4\frac{3}{8} = 4.375$