What is 3/22 plus 2/9?
3/22 plus 2/9 equals 71/198 (or 0.358586 in decimal form). Learn the step-by-step solution to add 3/22 and 2/9 using Least Common Denominator and simplification.
Exact Answer
3/22 + 2/9 = 71/198
Simplified Fraction
71/198
Mixed Number
Proper (71/198)
Decimal Value
0.358586
Percentage
35.8586%
Step-by-Step Solution: 3/22 + 2/9
Step 1
Find the Least Common Denominator (LCD)
The denominators 22 and 9 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 22 × 9 = 198.
LCD(22, 9) = 198
Step 2
Convert to Equivalent Fractions with Common Denominator 198
Multiply the numerator and denominator of 3/22 by 9, and multiply the numerator and denominator of 2/9 by 22 so both fractions share the common base 198.
3 × 9/22 × 9 = 27/198 and 2 × 22/9 × 22 = 44/198
Step 3
Add the Numerators
Now add the numerators (27 + 44 = 71) and keep the common denominator 198 unchanged.
27 + 44/198 = 71/198
Step 4
Check if the Fraction Can Be Simplified
The Greatest Common Divisor (GCD) of 71 and 198 is 1, confirming that 71/198 cannot be reduced further—it is already in its simplest irreducible form.
71/198
Step 5
Decimal & Percentage Representation
Dividing the numerator 71 by denominator 198 produces a repeating decimal (approximately 0.358586, or 35.8586%).
71 ÷ 198 = 0.358586 (35.8586%)
Visual Representation
The diagram below illustrates 3/22 plus 2/9 visually:
+
=
Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 71/198 |
| Mixed Number Form | 71/198 |
| Decimal Form | 0.358586 |
| Percentage | 35.8586% |
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Frequently Asked Questions
What is 3/22 plus 2/9 as a fraction?
3/22 + 2/9 in simplest fraction form is 71/198.
What is 3/22 plus 2/9 as a decimal?
3/22 + 2/9 converted to a decimal is 0.358586.
What is 3/22 plus 2/9 as a percentage?
3/22 + 2/9 expressed as a percentage is 35.8586%.
Does 3/22 plus 2/9 result in a terminating or repeating decimal?
It results in a repeating decimal (approximately 0.358586...) because the denominator contains prime factors other than 2 and 5.