What is 2/8 plus 9/12?
2/8 plus 9/12 equals 1 (or 1 in decimal form). Learn the step-by-step solution to add 2/8 and 9/12 using Least Common Denominator and simplification.
Exact Answer
2/8 + 9/12 = 1
Simplified Fraction
1
Mixed Number
1
Decimal Value
1
Percentage
100%
Step-by-Step Solution: 2/8 + 9/12
Step 1
Find the Least Common Denominator (LCD)
The denominators 8 and 12 share a common factor (GCD = 4). Finding their Least Common Multiple gives an LCD of 24 (which is smaller than their product 8 ร 12 = 96, keeping the calculation simpler).
LCD(8, 12) = 24
Step 2
Convert to Equivalent Fractions with Common Denominator 24
Multiply the numerator and denominator of 2/8 by 3, and multiply the numerator and denominator of 9/12 by 2 so both fractions share the common base 24.
2 ร 3/8 ร 3 = 6/24 and 9 ร 2/12 ร 2 = 18/24
Step 3
Add the Numerators
Now add the numerators (6 + 18 = 24) and keep the common denominator 24 unchanged.
6 + 18/24 = 24/24
Step 4
Simplify to an Exact Whole Number
Notice that the numerator (24) is completely divisible by the denominator (24). Dividing 24 by 24 yields the whole number 1 with zero remainder.
24/24 = 1
Step 5
Decimal & Percentage Representation
Dividing the numerator 1 by denominator 1 yields an exact terminating decimal of 1 (or 100%).
1 รท 1 = 1 (100%)
Visual Representation
The diagram below illustrates 2/8 plus 9/12 visually:
+
=
Summary & Alternative Representations
| Property / Format | Value |
|---|---|
| Lowest Terms Fraction | 1 |
| Mixed Number Form | 1 |
| Decimal Form | 1 |
| Percentage | 100% |
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Frequently Asked Questions
What is 2/8 plus 9/12 as a fraction?
2/8 + 9/12 in simplest fraction form is 1.
What is 2/8 plus 9/12 as a decimal?
2/8 + 9/12 converted to a decimal is 1.
What is 2/8 plus 9/12 as a percentage?
2/8 + 9/12 expressed as a percentage is 100%.
Is the answer to 2/8 plus 9/12 a whole number?
Yes, 2/8 + 9/12 simplifies completely to the whole number 1 with no remaining fractional part.