What is 5/39 plus 2/9?
5/39 plus 2/9 equals 41/117 (or 0.350427 in decimal form). Learn the step-by-step solution to add 5/39 and 2/9 using Least Common Denominator and simplification.
Exact Answer
5/39 + 2/9 = 41/117
Simplified Fraction
41/117
Mixed Number
Proper (41/117)
Decimal Value
0.350427
Percentage
35.0427%
Step-by-Step Solution: 5/39 + 2/9
Step 1
Find the Least Common Denominator (LCD)
The denominators 39 and 9 share a common factor (GCD = 3). Finding their Least Common Multiple gives an LCD of 117 (which is smaller than their product 39 × 9 = 351, keeping the calculation simpler).
LCD(39, 9) = 117
Step 2
Convert to Equivalent Fractions with Common Denominator 117
Multiply the numerator and denominator of 5/39 by 3, and multiply the numerator and denominator of 2/9 by 13 so both fractions share the common base 117.
5 × 3/39 × 3 = 15/117 and 2 × 13/9 × 13 = 26/117
Step 3
Add the Numerators
Now add the numerators (15 + 26 = 41) and keep the common denominator 117 unchanged.
15 + 26/117 = 41/117
Step 4
Check if the Fraction Can Be Simplified
The Greatest Common Divisor (GCD) of 41 and 117 is 1, confirming that 41/117 cannot be reduced further—it is already in its simplest irreducible form.
41/117
Step 5
Decimal & Percentage Representation
Dividing the numerator 41 by denominator 117 produces a repeating decimal (approximately 0.350427, or 35.0427%).
41 ÷ 117 = 0.350427 (35.0427%)
Visual Representation
The diagram below illustrates 5/39 plus 2/9 visually:
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Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 41/117 |
| Mixed Number Form | 41/117 |
| Decimal Form | 0.350427 |
| Percentage | 35.0427% |
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Frequently Asked Questions
What is 5/39 plus 2/9 as a fraction?
5/39 + 2/9 in simplest fraction form is 41/117.
What is 5/39 plus 2/9 as a decimal?
5/39 + 2/9 converted to a decimal is 0.350427.
What is 5/39 plus 2/9 as a percentage?
5/39 + 2/9 expressed as a percentage is 35.0427%.
Does 5/39 plus 2/9 result in a terminating or repeating decimal?
It results in a repeating decimal (approximately 0.350427...) because the denominator contains prime factors other than 2 and 5.