What is 3/35 plus 2/3? (Answer: 79/105)

Exact Answer

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Problem: What is 3/35 plus 2/3?
Formula / Expression: 3/35 + 2/3
Final Answer: 79/105
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Step-by-Step Solution:

Step 1: Find the Least Common Denominator (LCD)
The denominators 35 and 3 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 35 × 3 = 105.
Working: LCD(35, 3) = 105

Step 2: Convert to Equivalent Fractions with Common Denominator 105
Multiply the numerator and denominator of 3/35 by 3, and multiply the numerator and denominator of 2/3 by 35 so both fractions share the common base 105.
Working: 3 × 3/35 × 3 = 9/105 and 2 × 35/3 × 35 = 70/105

Step 3: Add the Numerators
Now add the numerators (9 + 70 = 79) and keep the common denominator 105 unchanged.
Working: 9 + 70/105 = 79/105

Step 4: Check if the Fraction Can Be Simplified
The Greatest Common Divisor (GCD) of 79 and 105 is 1, confirming that 79/105 cannot be reduced further—it is already in its simplest irreducible form.
Working: 79/105

Step 5: Decimal & Percentage Representation
Dividing the numerator 79 by denominator 105 produces a repeating decimal (approximately 0.752381, or 75.2381%).
Working: 79 ÷ 105 = 0.752381 (75.2381%)

Key Values:
- Simplified Fraction: 79/105
- Mixed Number Form: 79/105
- Decimal Value: 0.752381
- Percentage: 75.2381%

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Solved with FractionsCalc:
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3/35 + 2/3 = 79/105

Simplified Fraction

79/105

Mixed Number

Proper (79/105)

Decimal Value

0.752381

Percentage

75.2381%

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Step-by-Step Solution: 3/35 + 2/3

Step 1

Find the Least Common Denominator (LCD)

The denominators 35 and 3 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 35 × 3 = 105.

LCD(35, 3) = 105

Step 2

Convert to Equivalent Fractions with Common Denominator 105

Multiply the numerator and denominator of 3/35 by 3, and multiply the numerator and denominator of 2/3 by 35 so both fractions share the common base 105.

3 × 3/35 × 3 = 9/105 and 2 × 35/3 × 35 = 70/105

Step 3

Add the Numerators

Now add the numerators (9 + 70 = 79) and keep the common denominator 105 unchanged.

9 + 70/105 = 79/105

Step 4

Check if the Fraction Can Be Simplified

The Greatest Common Divisor (GCD) of 79 and 105 is 1, confirming that 79/105 cannot be reduced further—it is already in its simplest irreducible form.

79/105

Step 5

Decimal & Percentage Representation

Dividing the numerator 79 by denominator 105 produces a repeating decimal (approximately 0.752381, or 75.2381%).

79 ÷ 105 = 0.752381 (75.2381%)

Visual Representation

The diagram below illustrates 3/35 plus 2/3 visually:

Summary & Alternative Representations

Property / Format	Value
Lowest Terms Fraction	`79/105`
Mixed Number Form	`79/105`
Decimal Form	`0.752381`
Percentage	`75.2381%`

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Frequently Asked Questions

What is 3/35 plus 2/3 as a fraction?

3/35 + 2/3 in simplest fraction form is 79/105.

What is 3/35 plus 2/3 as a decimal?

3/35 + 2/3 converted to a decimal is 0.752381.

What is 3/35 plus 2/3 as a percentage?

3/35 + 2/3 expressed as a percentage is 75.2381%.

Does 3/35 plus 2/3 result in a terminating or repeating decimal?

It results in a repeating decimal (approximately 0.752381...) because the denominator contains prime factors other than 2 and 5.