What is 4/36 plus 6/13? (Answer: 67/117)

Exact Answer

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Problem: What is 4/36 plus 6/13?
Formula / Expression: 4/36 + 6/13
Final Answer: 67/117
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Step-by-Step Solution:

Step 1: Find the Least Common Denominator (LCD)
The denominators 36 and 13 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 36 × 13 = 468.
Working: LCD(36, 13) = 468

Step 2: Convert to Equivalent Fractions with Common Denominator 468
Multiply the numerator and denominator of 4/36 by 13, and multiply the numerator and denominator of 6/13 by 36 so both fractions share the common base 468.
Working: 4 × 13/36 × 13 = 52/468 and 6 × 36/13 × 36 = 216/468

Step 3: Add the Numerators
Now add the numerators (52 + 216 = 268) and keep the common denominator 468 unchanged.
Working: 52 + 216/468 = 268/468

Step 4: Simplify the Fraction to Lowest Terms
Find the Greatest Common Divisor (GCD) of 268 and 468, which is 4. Divide both the numerator and denominator by 4.
Working: 268 ÷ 4/468 ÷ 4 = 67/117

Step 5: Decimal & Percentage Representation
Dividing the numerator 67 by denominator 117 produces a repeating decimal (approximately 0.57265, or 57.265%).
Working: 67 ÷ 117 = 0.57265 (57.265%)

Key Values:
- Simplified Fraction: 67/117
- Mixed Number Form: 67/117
- Decimal Value: 0.57265
- Percentage: 57.265%

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Solved with FractionsCalc:
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4/36 + 6/13 = 67/117

Simplified Fraction

67/117

Mixed Number

Proper (67/117)

Decimal Value

0.57265

Percentage

57.265%

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Step-by-Step Solution: 4/36 + 6/13

Step 1

Find the Least Common Denominator (LCD)

The denominators 36 and 13 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 36 × 13 = 468.

LCD(36, 13) = 468

Step 2

Convert to Equivalent Fractions with Common Denominator 468

Multiply the numerator and denominator of 4/36 by 13, and multiply the numerator and denominator of 6/13 by 36 so both fractions share the common base 468.

4 × 13/36 × 13 = 52/468 and 6 × 36/13 × 36 = 216/468

Step 3

Add the Numerators

Now add the numerators (52 + 216 = 268) and keep the common denominator 468 unchanged.

52 + 216/468 = 268/468

Step 4

Simplify the Fraction to Lowest Terms

Find the Greatest Common Divisor (GCD) of 268 and 468, which is 4. Divide both the numerator and denominator by 4.

268 ÷ 4/468 ÷ 4 = 67/117

Step 5

Decimal & Percentage Representation

Dividing the numerator 67 by denominator 117 produces a repeating decimal (approximately 0.57265, or 57.265%).

67 ÷ 117 = 0.57265 (57.265%)

Visual Representation

The diagram below illustrates 4/36 plus 6/13 visually:

Summary & Alternative Representations

Property / Format	Value
Lowest Terms Fraction	`67/117`
Mixed Number Form	`67/117`
Decimal Form	`0.57265`
Percentage	`57.265%`

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Frequently Asked Questions

What is 4/36 plus 6/13 as a fraction?

4/36 + 6/13 in simplest fraction form is 67/117.

What is 4/36 plus 6/13 as a decimal?

4/36 + 6/13 converted to a decimal is 0.57265.

What is 4/36 plus 6/13 as a percentage?

4/36 + 6/13 expressed as a percentage is 57.265%.

Does 4/36 plus 6/13 result in a terminating or repeating decimal?

It results in a repeating decimal (approximately 0.57265...) because the denominator contains prime factors other than 2 and 5.