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Fraction Problems in Maths


Fraction Problems are word problems that deal with fractions i.e. parts of a whole.
Remember to read the question carefully to determine the numerator and denominator of the fraction.
Example 1:
A class has 20 girls and 30 boys. What part of the class are boys?
Solution:
Step 1: Numerator: boys = 30
Step 2: Denominator: class = 20 + 30 = 50
Step 3: Part or fraction
3/5
Answer3/5 are boys
Example 2:
If John earns $x in a week and spend $y, what part of his weekly salary did he save?
Solution:
Step 1: Numerator: amount saved= x – y
Step 2: Denominator: salary = x
Step 3: Part or fraction
x-y/x
Answer: x-y/x
Example 3:
14 is 2/3 of what number?
Solution:
Step 1: Assign variables :
Let = number
Step 2: Solve the equation
14=2/3 x
Isolate variable xx = 21
Answer: The number is 21.