Subtract 7/8-1/5 - Math help

$\frac{7}{8} - \frac{1}{5}$

To write $\frac{7}{8}$ as a fraction with a common denominator, multiply by $\frac{5}{5}$ .

$\frac{7}{8} \cdot \frac{5}{5} - \frac{1}{5}$

To write $- \frac{1}{5}$ as a fraction with a common denominator, multiply by $\frac{8}{8}$ .

$\frac{7}{8} \cdot \frac{5}{5} - \frac{1}{5} \cdot \frac{8}{8}$

Write each expression with a common denominator of $40$ , by multiplying each by an appropriate factor of $1$ .

Tap for more steps…

Multiply $\frac{7}{8}$ and $\frac{5}{5}$ .

$\frac{7 \cdot 5}{8 \cdot 5} - \frac{1}{5} \cdot \frac{8}{8}$

Multiply $8$ by $5$ .

$\frac{7 \cdot 5}{40} - \frac{1}{5} \cdot \frac{8}{8}$

Multiply $\frac{1}{5}$ and $\frac{8}{8}$ .

$\frac{7 \cdot 5}{40} - \frac{8}{5 \cdot 8}$

Multiply $5$ by $8$ .

$\frac{7 \cdot 5}{40} - \frac{8}{40}$

Combine the numerators over the common denominator.

$\frac{7 \cdot 5 - 8}{40}$

Simplify the numerator.

Tap for more steps…

Multiply $7$ by $5$ .

$\frac{35 - 8}{40}$

Subtract $8$ from $35$ .

$\frac{27}{40}$

The result can be shown in multiple forms.

Exact Form:

$\frac{27}{40}$

Decimal Form:

$0.675$

Subtract 7/8-1/5

Our Professionals