What is 2/7 plus 9/26?
2/7 plus 9/26 equals 115/182 (or 0.631868 in decimal form). Learn the step-by-step solution to add 2/7 and 9/26 using Least Common Denominator and simplification.
Exact Answer
2/7 + 9/26 = 115/182
Simplified Fraction
115/182
Mixed Number
Proper (115/182)
Decimal Value
0.631868
Percentage
63.1868%
Step-by-Step Solution: 2/7 + 9/26
Step 1
Find the Least Common Denominator (LCD)
The denominators 7 and 26 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 7 × 26 = 182.
LCD(7, 26) = 182
Step 2
Convert to Equivalent Fractions with Common Denominator 182
Multiply the numerator and denominator of 2/7 by 26, and multiply the numerator and denominator of 9/26 by 7 so both fractions share the common base 182.
2 × 26/7 × 26 = 52/182 and 9 × 7/26 × 7 = 63/182
Step 3
Add the Numerators
Now add the numerators (52 + 63 = 115) and keep the common denominator 182 unchanged.
52 + 63/182 = 115/182
Step 4
Check if the Fraction Can Be Simplified
The Greatest Common Divisor (GCD) of 115 and 182 is 1, confirming that 115/182 cannot be reduced further—it is already in its simplest irreducible form.
115/182
Step 5
Decimal & Percentage Representation
Dividing the numerator 115 by denominator 182 produces a repeating decimal (approximately 0.631868, or 63.1868%).
115 ÷ 182 = 0.631868 (63.1868%)
Visual Representation
The diagram below illustrates 2/7 plus 9/26 visually:
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Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 115/182 |
| Mixed Number Form | 115/182 |
| Decimal Form | 0.631868 |
| Percentage | 63.1868% |
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Frequently Asked Questions
What is 2/7 plus 9/26 as a fraction?
2/7 + 9/26 in simplest fraction form is 115/182.
What is 2/7 plus 9/26 as a decimal?
2/7 + 9/26 converted to a decimal is 0.631868.
What is 2/7 plus 9/26 as a percentage?
2/7 + 9/26 expressed as a percentage is 63.1868%.
Does 2/7 plus 9/26 result in a terminating or repeating decimal?
It results in a repeating decimal (approximately 0.631868...) because the denominator contains prime factors other than 2 and 5.