Addition and Subtraction of Units of Measurement
We will learn Addition and Subtraction of Units of Measurement.
We can add the units of measurement like decimal numbers.
Addition of Units of Measurement:
1. Add 5 m 9 dm and 11 m and 5 dm
Solution:
5 m 9 dm = 5.9 m
11 m 5 dm = 11.5 m
Hence, 5 m 9 dm + 11 m 5 dm
= 17 m 4 dm or 17.4 m
2. Add 15 cm 5 mm and 21 cm 9 mm
Solution:
15 cm 5 mm = 15.5 cm
21 cm 9 mm = 21.9 cm
Hence, 15 cm 5 mm + 21 cm 9 mm
= 37 cm 4 mm or 37.4 cm
3. Add 67 km 250 m and 84 km 720 m
Solution:
67 km 250 m = 67.250 km
84 km 720 m = 84.720 km
Hence, 67 km 250 m + 84 km 720 m
= 151 km 970 m or 151.97 km
3. Add 24 km 250 m and 140 km 18 m
Solution:
24 km 250 m = 24.250 km
140 km 18 m = 140.018 km
Hence, 24 km 250 m + 140 km 18 m
= 164 km 268 m or 164.268 km
Subtraction of Units of measurement:
We can subtract the units of measurement like decimal numbers.
1. Subtract 28 dg 7 mg from 90 dg
Solution:
28 dg 7 mg = 28.07 dg
90 dg = 90.00 dg
Hence, 90.00 dg - 28.07 dg
= 61 dg 93 mg or 61.93 dg
2. Subtract 185 l 560 ml and 200 l 120 ml
Solution:
185 l 560 ml = 185.560 l
200 l 120 ml = 200.120 l
Hence, 200 l 120 ml - 185 l 560 ml
= 14 l 660 ml or 14.660 l
3. The height of building X is 6314 cm and that of building Y is 229 cm less. What is the height of building Y?
Solution:
The height of building X = 6314 cm = 63.14 m
The height of building Y is 229 cm less than building X.
Therefore, the height of building Y = 63.14 m - 2.29 m
Hence, the height of building Y = 60.85 m
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