PNUR145 Week 1 In Class Exercise – Fractions & Time
Place answers with units (in the form requested) in the answer line. Answers are
to be written as a proper fraction in lowest terms or as a mixed number in lowest
terms unless specified otherwise.
1. What are the prime factors for 40? ___________________________
3
1
2. What is the lowest common denominator (LCD) of 4and 6? _______________
3. Draw an image to represent the fraction.
Change the improper fraction to a mixed number. _______________
23
7
=
4. Draw an image to represent the fraction.
Change a mixed number to an improper fraction._______________
4
5
6
=
5. Change a fraction to an equivalent fraction and find the solution to x. What is the
value of x?____________
2
𝑥
33 = 9
6. Add fraction having same denominator._______________
3
8
1
+8=
1
PNUR145 Week 1 In Class Exercise – Fractions & Time
7. Add fraction having unlike denominator.
a) Give answer as an improper fraction. __________
b) Give answer as a mixed number. __________
2
1
5 3+ 1 9 =
8. Subtracting fraction with unlike denominator& borrowing.
a) Give answer as an improper fraction. __________
b) Give answer as a mixed number. __________
1
4
62- 25 =
To facilitate multiplication & division of fractions,



set up the problems horizontally. No common denominator is needed.
reduce / cancel before multiplying or dividing
check to see if answer can be reduced to its lowest terms & write in format
required
9. Multiplying proper fractions. __________
2
5
3
𝑋4 =
10. Multiplying fractions and mixed numbers.
a) Give answer as an improper fraction. __________
b) Give answer as a mixed number. __________
3
34 𝑋 2
1
10
=
11. Dividing fractions and mixed numbers.
a) Give answer as an improper fraction. __________
b) Give answer as a mixed number. __________
3
134 ÷ 5 =
2
PNUR145 Week 1 In Class Exercise – Fractions & Time
12. Reducing a complex fraction.
a) Give answer as an improper fraction. __________
b) Give answer as a mixed number. __________
7
3
8
4
13. Solve using order of operations
a) Write the order of operations: _____________________________________
b) (3 + 2)2 X 20 – 15÷ 3 = __________
14. Convert standard time to military time (24 hour clock).
3:20 pm
__________
12:10 am
__________
9:43 pm
__________
15. Convert military (24 hour clock) to standard time.
2035 H
__________
0417 H
__________
1630 H
__________
To convert Celsius to Fahrenheit: (℃ X
𝟗
𝟓
) + 32 = ℉ (parentheses are optional)
To convert Fahrenheit to Celsius: ℉ − 𝟑𝟐 X
16. Convert
a) 5 ℃ = __________ ℉
b) 25 ℃ = __________ ℉
c) 122 ℉ = __________ ℃
d) 59 ℉ = __________ ℃
3
𝟓
𝟗
= ℃ (parentheses are essential)
PNUR145 Week 1 In Class Exercise – Fractions & Time
Word Problems:
17. The dietitian is working in a long-term care residence. Each day she prepares a
3
high-protein drink for 25 residents. If each drink measures 4cup, how many total
cups of the drink will she prepare a day? _________________________________
1
18. A bottle of pain reliever contains 100 tablets. How many 2 2tablet doses does it
contain?_________________________________
1
5
7
19. A child was given 2 mL, 8 mL and 8 mL of a medication. How much in total
medication in millilitres did the child receive? _________________________________
1
5
20. A patient drank 102 2 fluid ounces of fluid today & drank 97 7 fluid ounces fluid
yesterday. How much more fluid did the patient drink today than yesterday?
________________________________
4