What is 7/34 plus 2/9?
7/34 plus 2/9 equals 131/306 (or 0.428105 in decimal form). Learn the step-by-step solution to add 7/34 and 2/9 using Least Common Denominator and simplification.
Exact Answer
7/34 + 2/9 = 131/306
Simplified Fraction
131/306
Mixed Number
Proper (131/306)
Decimal Value
0.428105
Percentage
42.8105%
Step-by-Step Solution: 7/34 + 2/9
Step 1
Find the Least Common Denominator (LCD)
The denominators 34 and 9 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 34 × 9 = 306.
LCD(34, 9) = 306
Step 2
Convert to Equivalent Fractions with Common Denominator 306
Multiply the numerator and denominator of 7/34 by 9, and multiply the numerator and denominator of 2/9 by 34 so both fractions share the common base 306.
7 × 9/34 × 9 = 63/306 and 2 × 34/9 × 34 = 68/306
Step 3
Add the Numerators
Now add the numerators (63 + 68 = 131) and keep the common denominator 306 unchanged.
63 + 68/306 = 131/306
Step 4
Check if the Fraction Can Be Simplified
The Greatest Common Divisor (GCD) of 131 and 306 is 1, confirming that 131/306 cannot be reduced further—it is already in its simplest irreducible form.
131/306
Step 5
Decimal & Percentage Representation
Dividing the numerator 131 by denominator 306 produces a repeating decimal (approximately 0.428105, or 42.8105%).
131 ÷ 306 = 0.428105 (42.8105%)
Visual Representation
The diagram below illustrates 7/34 plus 2/9 visually:
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Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 131/306 |
| Mixed Number Form | 131/306 |
| Decimal Form | 0.428105 |
| Percentage | 42.8105% |
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Frequently Asked Questions
What is 7/34 plus 2/9 as a fraction?
7/34 + 2/9 in simplest fraction form is 131/306.
What is 7/34 plus 2/9 as a decimal?
7/34 + 2/9 converted to a decimal is 0.428105.
What is 7/34 plus 2/9 as a percentage?
7/34 + 2/9 expressed as a percentage is 42.8105%.
Does 7/34 plus 2/9 result in a terminating or repeating decimal?
It results in a repeating decimal (approximately 0.428105...) because the denominator contains prime factors other than 2 and 5.