GRCC HEALTH EDUCATION LEARNING LAB
FRACTION CONVERSIONS
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1. Reduce to lowest terms: 6/4= 8/6= 9/6=
2. Change to improper fractions: 2 1/2= 3 1/3= 2 1/4=
3. Change to common denominator: to twelfths: 1/2= 1/4=
to fifteenths: 2/3= 3/5=
to tenths: 1/2= 3/5=
4. Add fractions: 3/8 + 6/16= 1/4 + 2/4=
1/3 + 2/4= 3/4 + 5/8=
5. Subtract fractions: 2/3 - 1/9= 3/4 - 1/4=
1/4 - 1/12= 7/15 - 1/5=
6. Multiply fractions: 2/3 x 1/2= 1/2 x 1/4=
3/4 x 1/2= 5/6 x 1/4=
7. Divide fractions: 2/3 divided by 1/2=
1/2 divided by 1/4=
3/4 divided by 1/2=
8. Change decimals to fractions: 0.5= 0.05= 0.01= 0.005=
9. Change fractions to decimals: 5/6= 4/5= 2/3= 3/10=
10. Have 250 mg tabs: Need 1000 mg, Need 500 mg,
Need 750mg
11.Metric System Conversions:
2.5 Gm= _____mg 1 GM = ______mg
50 mg= _____Gm 500 mg= ______Gm
0.01 Kg= _____Gm 0.5 Gm= ______mg
5 cc= _____ml 500 cc= ______L
24 ml= _____L 240 cc= ______ml
0.75 Gm= _____mg 1.5 Gm= ______mg
250 cc=_ _____L 4 L = ______cc
500 mg= _____Gm 0.5 L= ______cc
30 ml= _____cc 400 mg= ______Gm
5 ml= _____L 4 Gm= ______mg
1. Reduce to lowest terms: 6/4= 1 1/2 8/6= 1 1/3 9/6= 1 1/2
2. Change to improper fractions: 2 1/2= 5/2 3 1/3= 10/3 2 1/4= 9/4
3. Change to common denominator: to twelfths: 1/2= 6/12 1/4= 3/12
to fifteenths: 2/3= 10/15 3/5= 9/15
to tenths: 1/2= 5/10 3/5= 6/10
4. Add fractions: 3/8 + 6/16= 12/16= 3/4 1/4 + 2/4= 3/4
1/3 + 2/4= 10/12= 5/6 3/4 + 5/8= 11/8 = 1 3/8
5. Subtract fractions: 2/3 - 1/9= 5/9 3/4 - 1/4=2/4 = 1/2
1/4 - 1/12= 2/12 = 1/6 7/15 - 1/5= 4/15
6. Multiply fractions: 2/3 x 1/2= 2/6 = 1/3 1/2 x 1/4= 1/8
3/4 x 1/2= 3/8 5/6 x 1/4= 5/24
7. Divide fractions: 2/3 divided by 1/2= 4/3 = 1 1/3
1/2 divided by 1/4= 4/2 = 2
3/4 divided by 1/2= 6/4 = 1 1/2
8. Change decimals to fractions: 0.5= 1/2 0.05= 1/20 0.01= 1/100 0.005=5/1000 = 1/200
9. Change fractions to decimals: 5/6= 0.8 4/5= 0.8 2/3= 0.6 3/10= 0.3
10. Have 250 mg tabs: Need 1000 mg, 4 Tabs Need 500 mg, 2 Tabs
Need 750mg 3 Tabs
11.Metric System Conversions:
2.5 Gm= 2,500 mg 1 GM = 1000 mg
50 mg= 0.05 Gm 500 mg= 0.5 Gm
0.01 Kg= 10 Gm 0.5 Gm= 500 mg
5 cc= 5 ml 500 cc= 0.5 L
24 ml= .024 L 240 cc= 240 ml
0.75 Gm= 750 mg 1.5 Gm= 1,500 mg
250 cc=_ 0.25 L 4 L = 4,000 cc
500 mg= 0.5 Gm 0.5 L= 500 cc
30 ml= 30 cc 400 mg= 0.4 Gm
5 ml= 0.005 L 4 Gm= 4,000 mg
Updated on 07-OCT-02
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