๐ Topic Summary
Subtracting fractions with like denominators is straightforward. When fractions have the same denominator, you simply subtract the numerators and keep the denominator the same. Think of it like having slices of the same pizza! If you have $\frac{5}{8}$ of a pizza and eat $\frac{2}{8}$, you're left with $\frac{3}{8}$.
In general, the formula for subtracting fractions with like denominators is: $\frac{a}{c} - \frac{b}{c} = \frac{a-b}{c}$, where a, b, and c are numbers, and c is not zero.
๐ง Part A: Vocabulary
- ๐ Match the term to its definition:
- ๐ข Term: Numerator
- โ Term: Denominator
- โ Term: Subtract
- ๐ Term: Fraction
- ๐งฎ Term: Like Denominators
- ๐งพ Definitions:
- The number below the fraction bar.
- To take away one number from another.
- Fractions that have the same denominator.
- A part of a whole.
- The number above the fraction bar.
| Term |
Definition Number |
| Numerator |
|
| Denominator |
|
| Subtract |
|
| Fraction |
|
| Like Denominators |
|
๐ Part B: Fill in the Blanks
When subtracting fractions with _____ denominators, you only subtract the _____. The _____ stays the same. For example, to solve $\frac{7}{10} - \frac{3}{10}$, you subtract 3 from 7, which equals 4. The answer is $\frac{4}{10}$. So, subtracting fractions with like denominators is pretty _____!
๐ค Part C: Critical Thinking
Imagine you have $\frac{9}{12}$ of a cake, and you give $\frac{4}{12}$ to your friend. Explain how you would calculate how much cake you have left and why this method works. ๐