What is 7/34 plus 2/7?
7/34 plus 2/7 equals 117/238 (or 0.491597 in decimal form). Learn the step-by-step solution to add 7/34 and 2/7 using Least Common Denominator and simplification.
Exact Answer
7/34 + 2/7 = 117/238
Simplified Fraction
117/238
Mixed Number
Proper (117/238)
Decimal Value
0.491597
Percentage
49.1597%
Step-by-Step Solution: 7/34 + 2/7
Step 1
Find the Least Common Denominator (LCD)
The denominators 34 and 7 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 34 × 7 = 238.
LCD(34, 7) = 238
Step 2
Convert to Equivalent Fractions with Common Denominator 238
Multiply the numerator and denominator of 7/34 by 7, and multiply the numerator and denominator of 2/7 by 34 so both fractions share the common base 238.
7 × 7/34 × 7 = 49/238 and 2 × 34/7 × 34 = 68/238
Step 3
Add the Numerators
Now add the numerators (49 + 68 = 117) and keep the common denominator 238 unchanged.
49 + 68/238 = 117/238
Step 4
Check if the Fraction Can Be Simplified
The Greatest Common Divisor (GCD) of 117 and 238 is 1, confirming that 117/238 cannot be reduced further—it is already in its simplest irreducible form.
117/238
Step 5
Decimal & Percentage Representation
Dividing the numerator 117 by denominator 238 produces a repeating decimal (approximately 0.491597, or 49.1597%).
117 ÷ 238 = 0.491597 (49.1597%)
Visual Representation
The diagram below illustrates 7/34 plus 2/7 visually:
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Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 117/238 |
| Mixed Number Form | 117/238 |
| Decimal Form | 0.491597 |
| Percentage | 49.1597% |
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Frequently Asked Questions
What is 7/34 plus 2/7 as a fraction?
7/34 + 2/7 in simplest fraction form is 117/238.
What is 7/34 plus 2/7 as a decimal?
7/34 + 2/7 converted to a decimal is 0.491597.
What is 7/34 plus 2/7 as a percentage?
7/34 + 2/7 expressed as a percentage is 49.1597%.
Does 7/34 plus 2/7 result in a terminating or repeating decimal?
It results in a repeating decimal (approximately 0.491597...) because the denominator contains prime factors other than 2 and 5.