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To add them we need the same unit of the measurement, so that we add the feet and the inches separately. Then divide the inches by 12 to convert to feet, and add the whole number of feet to the feet. Keep the remainder as inches.

1 ft + 14 in + 1 ft + 1 in + 1ft + 14 in + 3 ft + 1 in

= (1 + 1 + 1 + 3)ft + (14 + 1 + 14 + 1)in

= 6 ft + 30 in (since 12 in = 1 ft, 30 in = 2.5 ft)

= 6 ft + 2.5 ft

= 8.5 ft

or 8 ft 6 in

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14y ago

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