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

The given fraction is \$8 47/13\$

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

The first step is to multiply the whole number part by the denominator i.e.,8×13=104

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

Add the new product to the numerator. i.e., 104 + 47 =151.

Hence, the improper fraction is \$151/13\$.

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

The given fraction is \$15 40/10\$

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

The first step is to multiply the whole number part by the denominator i.e.,15 × 10 = 150

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

Add the new product to the numerator. i.e., 150 + 40 =190.

So, the improper fraction is \$190/10\$.

Explanation: In this step, add the product to the numerator of the improper fraction. i.e., 150 + 40 = 190.

Step 2d

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.

Explanation: Simplify \$190/10 ÷ 10/10 = 19\$. Therefore, \$15 40/10\$ as a whole number is 19.


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