SaiBook.us Fractions

Lesson Example Discussion Quiz: Class Homework

Example

Title: Finding a Fraction Amount

Grade: 4-a Lesson: S2-L5

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:

What is \$17/20\$ of \$120\$?

Step 1a

To find \$17/20\$of 120, multiply 120 by \$17/20\$: \$120 \times 17/20\$

Now, multiply the numerators and denominators: \$(120 \times 17)/20\$ = \$2040/20\$.

$1a$

Explanation: In this step,to find \$17/20\$of 120, we need to multiply 120 by \$17/20\$: \$120 \times 17/20\$.

Now, multiply the numerators and denominators: \$(120 \times 17)/20\$ = \$2040/20\$.

Step 1b

Simplify the fraction: \$2040/120\$ = 102.

So, \$17/20\$ of 120 is 102.

$1b$

Explanation: To simplify the fraction \$2040/120\$, we can divide the numerator and denominator by their greatest common factor, 120.

Therefore, \$17/20\$ of 120 is equal to 102.