Fraction
Fraction refers to a part of a whole.
You will encounter fractions when asked to make calculations with the TI30XS MultiView Scientific Calculator using the onscreen mathematics formula sheet.
Your answers will be produced in fraction form.
When asked to convert an answer from a fraction to decimal form,
use the toggle button .
Proper Fraction
Proper Fraction refers to a fraction in which the top number (numerator) is smaller than the bottom number (denominator).
Example
One Half
is the proper fraction command.
A calculation involving a proper fraction produces an answer in fraction form.
Improper Fraction
Improper Fraction refers to a fraction in which the top number (numerator) is larger than the bottom number (denominator).
Example
Three Halves
is the improper fraction command.
A calculation involving an improper fraction produces an answer in fraction form.
Mixed Fraction
Mixed Fraction (also known as Mixed Number) refers to a combination of a whole number and a fraction.
Example
One and One Half
is the mixed number command.
activates above .
A calculation involving a mixed fraction produces an answer in fraction form.
Question
A small rectangular piece of cloth measures inch long by inch wide. What is its area?
Answer
square inch
Answer Process
See Rectangle.
Area = length × width
A = lw
A = × =
Calculator Click  What You See  Comment 
blinker  clears screen  
1 2 × 1 4  *  A = lw 
Answer  
Proper Fraction 
Question
A slightly larger rectangular piece of cloth measures inch long by inch wide. What is its area?
Answer
square inches
Answer Process
See Rectangle.
Area = length × width
A = lw
A = × =
Calculator Click  What You See  Comment 
blinker  clears screen  
11 4 × 3 4  *  A = lw 
Answer  
Improper Fraction 
Question
A much larger piece of cloth measures 7 ½ inch by 8 ¼ inch. What is its area?
Answer
square inches
Answer Process
See Rectangle.
Area = length × width
A = lw
A = × =
Calculator Click  What You See  Comment 
blinker  clears screen  
7 1 2 × 8 1 4 
*  A = lw 
Answer  
Mixed Fraction 
Question
With reference to the question above, express your answer in decimal form.
Answer
61.875 square inches
Answer Process
See Toggle.
⇔ 61.875
Calculator Click  What You See  Comment 
blinker  clears screen  
7 1 2 × 8 1 4 
*  A = l × w 
61.875  Answer (Toggle) 

Fraction ⇔ Decimal 
Question
With reference to the question above, round your answer to the nearest tenth.
Answer
61.9 square inches
Answer Process
See Rounding.
61.875 → 61.9
Practice – Questions
1. A computer component is shaped like a parallelogram (Area = base × height).
It measures centimeter at its base and cm in height. What is its area?
2. A computer component is shaped like a parallelogram (Area = base × height).
It measures centimeter at its base and cm in height. What is its area?
3. A computer component is shaped like a parallelogram (Area = base × height).
It measures centimeter at its base and cm in height. What is its area?
4. A computer component is shaped like a parallelogram (Area = base × height).
It measures centimeter at its base and cm in height. What is its area?
5. With respect to question 4, what is the area in decimal form rounded to the nearest hundredth?
Practice – Answers
1. square centimeters
2. square centimeters
3. square centimeters
4. square centimeters
5. 43.13 square centimeters