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Calculate 6cm 7MM + 36cm 2MM + 67cm 8MM

September 10, 2026Mathematics

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Answer

\text{110 cm 7 mm}

4 steps

Add the centimeter values together.
$6 \text{ cm} + 36 \text{ cm} + 67 \text{ cm} = 109 \text{ cm}$
Add the millimeter values together.
$7 \text{ mm} + 2 \text{ mm} + 8 \text{ mm} = 17 \text{ mm}$
Convert the total millimeters into centimeters and millimeters.
Since $1 \text{ cm} = 10 \text{ mm}$ , we can write $17 \text{ mm}$ as $1 \text{ cm}$ and $7 \text{ mm}$ .
Combine the total centimeters from Step 1 with the converted centimeters from Step 3, and keep the remaining millimeters.
$109 \text{ cm} + 1 \text{ cm} = 110 \text{ cm}$
The remaining millimeters are $7 \text{ mm}$ .

The final sum is $\text{110 cm 7 mm}$ .

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