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JSS1: MATHEMATICS - 1ST TERM
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Whole Numbers I | Week 13 Topics|1 Quiz
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Whole Numbers II | Week 21 Topic|1 Quiz
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Counting in Base Two | Week 34 Topics|1 Quiz
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Arithmetic Operations | Week 43 Topics|1 Quiz
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Lowest Common Multiple (LCM) | Week 52 Topics|1 Quiz
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Highest Common Factor | Week 61 Topic|1 Quiz
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Fraction | Week 77 Topics|1 Quiz
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Basic Operations with Fractions I | Week 83 Topics|1 Quiz
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Basic Operations with Fractions II | Week 91 Topic|1 Quiz
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Directed Numbers | Week 103 Topics|1 Quiz
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Estimation and Approximation I | Week 113 Topics|1 Quiz
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Estimation and Approximation II | Week 126 Topics|1 Quiz
Lesson 7,
Topic 7
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Conversion of Percentage to Fraction
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Topic Content:
- Conversion of Percentage to Fraction
To change from a percentage to a fraction, put the percentage over 100 (after removing the % sign) and simplify if necessary.
Worked Example 7.7.1:
Express each of the following percentages into a fraction in its lowest terms:
i. 17% = \( \frac{17}{100} \)
ii. 45% = \( \frac{45}{100} \\ = \frac{9}{20} \)
iii. 10% = \( \frac{10}{100}\\ = \frac{1}{10} \)
iv. 115% = \( \frac{115}{100}\\ = \frac{23}{20} \)
v. 1% = \( \frac{1}{100} \)
vi. 3.5% = \( \frac{35}{10} \scriptsize \% \\ = \normalsize \frac{35}{10} \: \times \: \frac{1}{100} \\ = \frac{35}{1000} \\\ \scriptsize divide\: through \: by\: 5 \\ = \frac{7}{200} \)