SaiBook.us Fractions

Lesson Example Discussion Quiz: Class Homework

Example

Title: Like fraction Addition

Grade: 5-a Lesson: S2-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:

Add \$18/35 + 24/35\$

Step 1a

Add the fractions together. Since the denominators are the same, simply add the numerators: \$18/35 + 24/35\$.

$1a$

Explanation: In this step, add the fractions together. Since the denominators are the same, we can
add the numerators \$18/35 + 24/35\$.

Step 1b

Add the numerators 18 + 24 = 35. The denominator remian same is35, \$42/35\$.

$1b$

Explanation: In this step, add the numerators 18 + 24 is 35. Keep the denominator the same:\$42/35\$

Step 1c

Simplify the fraction \$42/35\$, both the numerator and the denominator are divisible by 7: \$\cancel42^6 \cancel35^5\$ = \$6/5\$. So,\$18/35 + 24/35\$, simplifies to \$6/5\$.

$1c$

Explanation: In this step, the fraction, \$42/35\$ can be simplified by dividing both the numerator and denominator by their greatest common divisor, which is 7.

\$(42 \div 7)/(35 \div 7)\$ = \$6/5\$.

So, \$18/35 + 24/35\$ = \$6/5\$.