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Question 1 of 4
Simplify
5070
Write fractions in the format “a/b”
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The Highest Common Factor (HCF) between two numbers is the highest possible number that divides evenly to both numbers.
To simplify a fraction, divide the numerator and denominator by their HCF
Start by listing out the factors of each number
Factors of 50:
125102550
Factors of 70:
125710143570
Identify the highest number that is both a factor of 50 and 70
Factors of 50:
125102550
Factors of 70:
125710143570
The HCF of 50 and 70 is 10
Divide both the numerator and denominator by 10
50÷1070÷10 |
= |
57 |
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Question 2 of 4
Simplify
5565
Write fractions in the format “a/b”
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The Highest Common Factor (HCF) between two numbers is the highest possible number that divides evenly to both numbers.
To simplify a fraction, divide the numerator and denominator by their HCF
Start by listing out the factors of each number
Factors of 55:
151155
Factors of 65:
151365
Identify the highest number that is both a factor of 55 and 65
Factors of 55:
151155
Factors of 65:
151365
The HCF of 55 and 65 is 5
Divide both the numerator and denominator by 5
55÷565÷5 |
= |
1113 |
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Question 3 of 4
Simplify
1860
Write fractions in the format “a/b”
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The Highest Common Factor (HCF) between two numbers is the highest possible number that divides evenly to both numbers.
To simplify a fraction, divide the numerator and denominator by their HCF
Start by listing out the factors of each number
Factors of 18:
1236918
Factors of 60:
123456101215
Identify the highest number that is both a factor of 18 and 60
Factors of 18:
1236918
Factors of 60:
123456101215
The HCF of 18 and 60 is 6
Divide both the numerator and denominator by 6
18÷660÷6 |
= |
310 |
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Question 4 of 4
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The Highest Common Factor (HCF) between two numbers is the highest possible number that divides evenly to both numbers.
To simplify a fraction, divide the numerator and denominator by their HCF
Start by listing out the factors of each number
Factors of 40:
1245810
Identify the highest number that is both a factor of 40 and 5
Factors of 40:
1245810
The HCF of 40 and 5 is 5
Divide both the numerator and denominator by 5
40÷55÷5 |
= |
81 |
|
|
= |
8 |
A number with 1 as denominator is equal to that number |
Another solution is 40÷5=8