# Journey into Mixed Numbers: How to Solve Addition and Subtraction Word Problems

It's time to take our understanding of mixed numbers to the next level. You might remember that a mixed number is a whole number paired with a proper fraction. Today, we're focusing on word problems involving the addition and subtraction of mixed numbers. Let's dive in!

## 1. Adding and Subtracting Mixed Numbers: The Basics

Adding and subtracting mixed numbers might seem complex because it involves both whole numbers and fractions. But don’t worry, once you understand the steps, it will be a piece of cake.

## Step-by-Step Guide: Adding and Subtracting Mixed Numbers in Word Problems

### Step 1: Identify the Problem

First, read the word problem carefully to understand what it’s asking. Identify the mixed numbers you need to add or subtract.

### Step 2: Convert to Improper Fractions (if needed)

In some cases, it might be easier to convert mixed numbers to improper fractions before adding or subtracting. To do this, multiply the whole number by the denominator, then add the numerator.

### Step 3: Add or Subtract the Fractions

To add or subtract fractions, you need a common denominator. If the denominators are already the same, you can add or subtract the numerators directly. If not, find the least common multiple of the denominators and use it to adjust the fractions before adding or subtracting.

### Step 4: Simplify the Fraction

After you’ve done the operation, make sure to simplify the fraction if necessary. This could involve reducing the fraction or converting it back into a mixed number.

### Step 5: Write the Answer

Let’s look at an example:

John baked $$3\frac{1}{2}$$ trays of cookies, and his sister Susan baked $$2\frac{1}{3}$$ trays. How many trays of cookies do they have in total?

1. Identify the problem: we need to add $$3\frac{1}{2}$$ and $$2\frac{1}{3}$$.
2. Convert to improper fractions: $$3\frac{1}{2} = \frac{7}{2}$$ and $$2\frac{1}{3} = \frac{7}{3}$$.
3. Find a common denominator and add the fractions: $$\frac{21}{6} + \frac{14}{6} = \frac{35}{6}$$.
4. Simplify the fraction: $$\frac{35}{6} = 5\frac{5}{6}$$.
5. Write the answer: John and Susan have baked $$5\frac{5}{6}$$ trays of cookies in total.

And there you have it! With practice, you’ll get comfortable with adding and subtracting mixed numbers in word problems. Remember, the more you practice, the easier it will become!

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