What is 4/36 plus 2/9? (Answer: 1/3)

Exact Answer

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Problem: What is 4/36 plus 2/9?
Formula / Expression: 4/36 + 2/9
Final Answer: 1/3
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Step-by-Step Solution:

Step 1: Find the Least Common Denominator (LCD)
Notice that 36 is an exact multiple of 9 (9 × 4 = 36). The Least Common Denominator (LCD) is simply 36, meaning we only need to scale one fraction.
Working: LCD(36, 9) = 36

Step 2: Convert to Equivalent Fractions with Common Denominator 36
Multiply the numerator and denominator of 4/36 by 1, and multiply the numerator and denominator of 2/9 by 4 so both fractions share the common base 36.
Working: 4 × 1/36 × 1 = 4/36 and 2 × 4/9 × 4 = 8/36

Step 3: Add the Numerators
Now add the numerators (4 + 8 = 12) and keep the common denominator 36 unchanged.
Working: 4 + 8/36 = 12/36

Step 4: Simplify the Fraction to Lowest Terms
Find the Greatest Common Divisor (GCD) of 12 and 36, which is 12. Divide both the numerator and denominator by 12.
Working: 12 ÷ 12/36 ÷ 12 = 1/3

Step 5: Decimal & Percentage Representation
Dividing the numerator 1 by denominator 3 produces a repeating decimal (approximately 0.333333, or 33.3333%).
Working: 1 ÷ 3 = 0.333333 (33.3333%)

Key Values:
- Simplified Fraction: 1/3
- Mixed Number Form: 1/3
- Decimal Value: 0.333333
- Percentage: 33.3333%

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Solved with FractionsCalc:
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4/36 + 2/9 = 1/3

Simplified Fraction

1/3

Mixed Number

Proper (1/3)

Decimal Value

0.333333

Percentage

33.3333%

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Step-by-Step Solution: 4/36 + 2/9

Step 1

Find the Least Common Denominator (LCD)

Notice that 36 is an exact multiple of 9 (9 × 4 = 36). The Least Common Denominator (LCD) is simply 36, meaning we only need to scale one fraction.

LCD(36, 9) = 36

Step 2

Convert to Equivalent Fractions with Common Denominator 36

Multiply the numerator and denominator of 4/36 by 1, and multiply the numerator and denominator of 2/9 by 4 so both fractions share the common base 36.

4 × 1/36 × 1 = 4/36 and 2 × 4/9 × 4 = 8/36

Step 3

Add the Numerators

Now add the numerators (4 + 8 = 12) and keep the common denominator 36 unchanged.

4 + 8/36 = 12/36

Step 4

Simplify the Fraction to Lowest Terms

Find the Greatest Common Divisor (GCD) of 12 and 36, which is 12. Divide both the numerator and denominator by 12.

12 ÷ 12/36 ÷ 12 = 1/3

Step 5

Decimal & Percentage Representation

Dividing the numerator 1 by denominator 3 produces a repeating decimal (approximately 0.333333, or 33.3333%).

1 ÷ 3 = 0.333333 (33.3333%)

Visual Representation

The diagram below illustrates 4/36 plus 2/9 visually:

Summary & Alternative Representations

Property / Format	Value
Lowest Terms Fraction	`1/3`
Mixed Number Form	`1/3`
Decimal Form	`0.333333`
Percentage	`33.3333%`

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Frequently Asked Questions

What is 4/36 plus 2/9 as a fraction?

4/36 + 2/9 in simplest fraction form is 1/3.

What is 4/36 plus 2/9 as a decimal?

4/36 + 2/9 converted to a decimal is 0.333333.

What is 4/36 plus 2/9 as a percentage?

4/36 + 2/9 expressed as a percentage is 33.3333%.

Does 4/36 plus 2/9 result in a terminating or repeating decimal?

It results in a repeating decimal (approximately 0.333333...) because the denominator contains prime factors other than 2 and 5.