Lesson Example Discussion Quiz: Class Homework |
Example |
Title: Fractions |
Grade: 4-a Lesson: S1-L2 |
Explanation: Hello Students, time to learn examples. Let us take turns and read each example. Explain each step. Pay special attention to steps and pictures and communicate in your own words. |
Examples:
Convert \$8 47/13\$ into an Improper fraction.
Step 1a
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The given fraction is \$8 47/13\$ |
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Explanation: The given fraction is \$8 47/31\$, a mixed fraction, a combining of the whole number and a fractional part. 8 represents the whole part and \$47/13\$ represents the fractional part. |
Step 1b
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The first step is to multiply the whole number part by the denominator i.e.,8×13=104 |
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Explanation: In this step, we multiply the whole number by the denominator of the improper fraction. Here, the whole number is 8, and the denominator is 13. since, 8×13=104 |
Step 1c
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Add the new product to the numerator. i.e., 104 + 47 =151. Hence, the improper fraction is \$151/13\$. |
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Explanation: In this step, add the product to the numerator of the improper fraction i.e., 104 + 47 = 151. Therefore, the improper fraction is \$151/13\$. |
Rewrite mixed fractions into an improper fraction or Whole number \$15 40/10\$
Step 2a
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The given fraction is \$15 40/10\$ |
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Explanation: The given fraction is \$15 40/10\$, a mixed fraction, a combining of the whole number and a fractional part. 15 represents the whole part and \$40/10\$ represents the fractional part. |
Step 2b
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The first step is to multiply the whole number part by the denominator i.e.,15 × 10 = 150 |
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Explanation: In this step, we multiply the whole number by the denominator of the improper fraction. Here, the whole number is 15, and the denominator is 10. since, 15×10=150 |
Step 2c
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Add the new product to the numerator. i.e., 150 + 40 =190. So, the improper fraction is \$190/10\$. |
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Explanation: In this step, add the product to the numerator of the improper fraction. i.e., 150 + 40 = 190. |
Step 2d
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Simplify the improper fraction by dividing the fraction by 10: \$190/10 ÷ 10/10\$ = 19 Therefore, \$15 40/10\$ as a whole number is simply 19. |
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Explanation: Simplify \$190/10 ÷ 10/10 = 19\$. Therefore, \$15 40/10\$ as a whole number is 19. |
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