Solve for a 3/7+a=4/7

$\frac{3}{7} + a = \frac{4}{7}$

Step 1

Subtract $\frac{3}{7}$ from both sides of the equation.

$a = \frac{4}{7} - \frac{3}{7}$

Step 2

Combine the numerators over the common denominator.

$a = \frac{4 - 3}{7}$

Step 3

Subtract $3$ from $4$ .

$a = \frac{1}{7}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$a = \frac{1}{7}$

Decimal Form:

$a = 0.\overline{142857}$