Basic Math Examples

$49^{\frac{3}{8}} \cdot 49^{\frac{7}{8}} \div 7^{\frac{5}{4}}$

Step 1

Rewrite the division as a fraction.

$\frac{49^{\frac{3}{8}} \cdot 49^{\frac{7}{8}}}{7^{\frac{5}{4}}}$

Step 2

Multiply $49^{\frac{3}{8}}$ by $49^{\frac{7}{8}}$ by adding the exponents.

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Step 2.1

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{49^{\frac{3}{8} + \frac{7}{8}}}{7^{\frac{5}{4}}}$

Step 2.2

Combine the numerators over the common denominator.

$\frac{49^{\frac{3 + 7}{8}}}{7^{\frac{5}{4}}}$

Step 2.3

Add $3$ and $7$ .

$\frac{49^{\frac{10}{8}}}{7^{\frac{5}{4}}}$

Step 2.4

Cancel the common factor of $10$ and $8$ .

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Step 2.4.1

Factor $2$ out of $10$ .

$\frac{49^{\frac{2 (5)}{8}}}{7^{\frac{5}{4}}}$

Step 2.4.2

Cancel the common factors.

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Step 2.4.2.1

Factor $2$ out of $8$ .

$\frac{49^{\frac{2 \cdot 5}{2 \cdot 4}}}{7^{\frac{5}{4}}}$

Step 2.4.2.2

Cancel the common factor.

$\frac{49^{\frac{2 \cdot 5}{2 \cdot 4}}}{7^{\frac{5}{4}}}$

Step 2.4.2.3

Rewrite the expression.

$\frac{49^{\frac{5}{4}}}{7^{\frac{5}{4}}}$

Step 3

Use the power of quotient rule $\frac{a^{m}}{b^{m}} = {(\frac{a}{b})}^{m}$ .

${(\frac{49}{7})}^{\frac{5}{4}}$

Step 4

Divide $49$ by $7$ .

$7^{\frac{5}{4}}$

Step 5

The result can be shown in multiple forms.

Exact Form:

$7^{\frac{5}{4}}$

Decimal Form:

$11.38603593 \dots$