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

Addition of Length

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

Addition Length

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

Length Addition

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

Addition of Lengths

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

Subtraction Mass

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

Subtraction of Volumes

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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