Basic Math Examples

$9 {lb}^{7} oz - 8 {lb}^{9} oz$

Step 1

Convert $oz$ to $lb$ .

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Step 1.1

Convert $oz$ to $lb$ .

$9 {lb}^{7} oz \times \frac{1 lb}{16 oz} - 8 {lb}^{9} oz$

Step 1.2

Cancel the common units and simplify.

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Step 1.2.1

Cross cancel units.

$\frac{9 {lb}^{7}}{1} \cdot \frac{oz}{1} \times \frac{1 lb}{16 oz} - 8 {lb}^{9} oz$

Step 1.2.2

Simplify the expression.

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Step 1.2.2.1

Remove the canceled units.

$\frac{9 {lb}^{7}}{1} \cdot \frac{1}{1} \times \frac{1 lb}{16} - 8 {lb}^{9} oz$

Step 1.2.2.2

Combine fractions.

$\frac{9}{16} {lb}^{8} - 8 {lb}^{9} oz$

Step 1.2.3

Convert to decimal.

$0.5625 {lb}^{8} - 8 {lb}^{9} oz$

Step 2

Convert $oz$ to $lb$ .

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Step 2.1

Convert $oz$ to $lb$ .

$0.5625 {lb}^{8} - 8 {lb}^{9} oz \times \frac{1 lb}{16 oz}$

Step 2.2

Cancel the common units and simplify.

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Step 2.2.1

Cross cancel units.

$0.5625 {lb}^{8} + \frac{- 8 {lb}^{9}}{1} \cdot \frac{oz}{1} \times \frac{1 lb}{16 oz}$

Step 2.2.2

Simplify the expression.

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Step 2.2.2.1

Remove the canceled units.

$0.5625 {lb}^{8} + \frac{- 8 {lb}^{9}}{1} \cdot \frac{1}{1} \times \frac{1 lb}{16}$

Step 2.2.2.2

Combine fractions.

$0.5625 {lb}^{8} + \frac{- 8}{16} {lb}^{10}$

Step 2.2.2.3

Cancel the common factor of $- 8$ and $16$ .

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Step 2.2.2.3.1

Factor $8$ out of $- 8$ .

$0.5625 {lb}^{8} + \frac{8 (- 1)}{16} {lb}^{10}$

Step 2.2.2.3.2

Cancel the common factors.

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Step 2.2.2.3.2.1

Factor $8$ out of $16$ .

$0.5625 {lb}^{8} + \frac{8 \cdot - 1}{8 \cdot 2} {lb}^{10}$

Step 2.2.2.3.2.2

Cancel the common factor.

$0.5625 {lb}^{8} + \frac{8 \cdot - 1}{8 \cdot 2} {lb}^{10}$

Step 2.2.2.3.2.3

Rewrite the expression.

$0.5625 {lb}^{8} + \frac{- 1}{2} {lb}^{10}$

Step 2.2.2.4

Move the negative in front of the fraction.

$0.5625 {lb}^{8} - \frac{1}{2} {lb}^{10}$

Step 2.2.3

Convert to decimal.

$0.5625 {lb}^{8} + 0.5 {lb}^{10}$