Solve (42)((1)/(5))-(90)((4)/(5)) | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$42 \frac { 1 } { 5 } - 90 \frac { 4 } { 5 }$$

Evaluate

$-\frac{243}{5}=-48.6$

Solution Steps

Multiply $42$ and $5$ to get $210$.

$$\frac{210+1}{5}-\frac{90\times 5+4}{5}$$

Add $210$ and $1$ to get $211$.

$$\frac{211}{5}-\frac{90\times 5+4}{5}$$

Multiply $90$ and $5$ to get $450$.

$$\frac{211}{5}-\frac{450+4}{5}$$

Add $450$ and $4$ to get $454$.

$$\frac{211}{5}-\frac{454}{5}$$

Since $\frac{211}{5}$ and $\frac{454}{5}$ have the same denominator, subtract them by subtracting their numerators.

$$\frac{211-454}{5}$$

Subtract $454$ from $211$ to get $-243$.

$$-\frac{243}{5}$$

Factor

$-\frac{243}{5} = -48\frac{3}{5} = -48.6$