- US Customary Units
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- Choosing a Measuring Tool
- Choosing U.S. Customary Measurement Units
- Measuring Length to the Nearest Inch
- Measuring Length to the Nearest Quarter or Half Inch
- U.S. Customary Unit Conversion with Whole Number Values
- Conversions Involving Measurements in Feet and Inches
- Adding Measurements in Feet and Inches
- U.S. Customary Unit Conversion with Whole Number Values: Two-Step Conversion
- U.S. Customary Unit Conversion with Mixed Number Values: One-Step Conversion
- U.S. Customary Unit Conversion with Mixed Number Values: Two-Step Conversion
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Adding Measurements in Feet and Inches
Add 5 feet 2 in + 7 ft 11 in
Solution
Step 1:
1 ft = 12 in
Step 2:
Converting feet into inches and adding
5 ft 2 in + 7 ft 11 in = [5 x 12 + 2] + [7 x 12 + 11] = 62 + 95 = 157 in
Step 3:
Converting inches into feet
157 in = $\frac{157}{12}$ ft = 13 ft 1 in
Step 4:
So, 5 feet 2 in + 7 ft 11 in = 13 ft 1 in
Add 8 feet 5 in + 12 ft 9 in
Solution
Step 1:
1 ft = 12 in
Step 2:
Converting feet into inches and adding
8 ft 5 in + 12 ft 9 in = [8 x 12 + 5] + [12 x 12 + 9] = 101 + 153 = 254 in
Step 3:
Converting inches into feet
254 in = $\frac{254}{12}$ ft = 21 ft 2 in
Step 4:
So, 8 feet 5 in + 12 ft 9 in = 21 ft 2 in
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