What is 2/26 plus 4/39?
2/26 plus 4/39 equals 7/39 (or 0.179487 in decimal form). Learn the step-by-step solution to add 2/26 and 4/39 using Least Common Denominator and simplification.
Exact Answer
2/26 + 4/39 = 7/39
Simplified Fraction
7/39
Mixed Number
Proper (7/39)
Decimal Value
0.179487
Percentage
17.9487%
Step-by-Step Solution: 2/26 + 4/39
Step 1
Find the Least Common Denominator (LCD)
The denominators 26 and 39 share a common factor (GCD = 13). Finding their Least Common Multiple gives an LCD of 78 (which is smaller than their product 26 ร 39 = 1014, keeping the calculation simpler).
LCD(26, 39) = 78
Step 2
Convert to Equivalent Fractions with Common Denominator 78
Multiply the numerator and denominator of 2/26 by 3, and multiply the numerator and denominator of 4/39 by 2 so both fractions share the common base 78.
2 ร 3/26 ร 3 = 6/78 and 4 ร 2/39 ร 2 = 8/78
Step 3
Add the Numerators
Now add the numerators (6 + 8 = 14) and keep the common denominator 78 unchanged.
6 + 8/78 = 14/78
Step 4
Simplify the Fraction to Lowest Terms
Find the Greatest Common Divisor (GCD) of 14 and 78, which is 2. Divide both the numerator and denominator by 2.
14 รท 2/78 รท 2 = 7/39
Step 5
Decimal & Percentage Representation
Dividing the numerator 7 by denominator 39 produces a repeating decimal (approximately 0.179487, or 17.9487%).
7 รท 39 = 0.179487 (17.9487%)
Visual Representation
The diagram below illustrates 2/26 plus 4/39 visually:
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Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 7/39 |
| Mixed Number Form | 7/39 |
| Decimal Form | 0.179487 |
| Percentage | 17.9487% |
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Frequently Asked Questions
What is 2/26 plus 4/39 as a fraction?
2/26 + 4/39 in simplest fraction form is 7/39.
What is 2/26 plus 4/39 as a decimal?
2/26 + 4/39 converted to a decimal is 0.179487.
What is 2/26 plus 4/39 as a percentage?
2/26 + 4/39 expressed as a percentage is 17.9487%.
Does 2/26 plus 4/39 result in a terminating or repeating decimal?
It results in a repeating decimal (approximately 0.179487...) because the denominator contains prime factors other than 2 and 5.