Math Problem Statement

Simplify: 2/8 + 5/12 and can you show the work

Solution

To simplify 28+512\frac{2}{8} + \frac{5}{12}, let's follow these steps:

Step 1: Simplify each fraction, if possible

  • 28\frac{2}{8} simplifies to 14\frac{1}{4}, because both 2 and 8 can be divided by 2.
  • 512\frac{5}{12} is already in its simplest form.

So now the expression is: 14+512\frac{1}{4} + \frac{5}{12}

Step 2: Find a common denominator

To add fractions, we need a common denominator. The least common denominator (LCD) of 4 and 12 is 12.

  • To convert 14\frac{1}{4} to a fraction with denominator 12, multiply both the numerator and denominator by 3: 14=1×34×3=312\frac{1}{4} = \frac{1 \times 3}{4 \times 3} = \frac{3}{12}
  • 512\frac{5}{12} already has denominator 12, so it stays the same.

Step 3: Add the fractions

Now that both fractions have the same denominator, we can add them: 312+512=3+512=812\frac{3}{12} + \frac{5}{12} = \frac{3 + 5}{12} = \frac{8}{12}

Step 4: Simplify the result

Finally, simplify 812\frac{8}{12} by dividing both the numerator and denominator by 4: 812=8÷412÷4=23\frac{8}{12} = \frac{8 \div 4}{12 \div 4} = \frac{2}{3}

Final Answer:

28+512=23\frac{2}{8} + \frac{5}{12} = \frac{2}{3}

Let me know if you'd like more details or have any questions!

Here are 5 related questions to consider:

  1. What is the least common denominator (LCD) of other pairs of fractions, like 35+27\frac{3}{5} + \frac{2}{7}?
  2. How do you subtract fractions with different denominators?
  3. What are the steps for multiplying two fractions together?
  4. How can you simplify a complex fraction like 5/62/3\frac{5/6}{2/3}?
  5. How do you convert improper fractions to mixed numbers?

Tip: Always simplify fractions as early as possible—it makes the calculations easier!

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Math Problem Analysis

Mathematical Concepts

Fractions
Addition of fractions
Simplification
Least Common Denominator

Formulas

LCD = Least Common Denominator
Simplification of fractions
Addition of fractions with common denominators

Theorems

Fractions addition theorem
Simplification rule of fractions

Suitable Grade Level

Grades 4-6