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To solve the addition of these mixed numbers, we'll follow these steps:
Now, let's work through each step:
Step 1: Convert the mixed numbers:
For , convert to an improper fraction: , so .
For , convert to an improper fraction: , so .
Step 2: Addition of the fractions:
The denominators are 5 and 6. The least common denominator (LCD) is .
Convert to .
Convert to .
Now add: .
Step 3: Convert back to a mixed number:
Divide 203 by 30: The quotient is 6 and the remainder is 23.
Thus, .
Therefore, the solution to the problem is , which matches choice 3.
\( 5:\frac{2}{5}= \)
While you can add whole numbers separately, you must still find a common denominator for the fraction parts. The method shown (converting to improper fractions) is more reliable and prevents errors.
List multiples of each number: 5 (5, 10, 15, 20, 25, 30...) and 6 (6, 12, 18, 24, 30...). The first number that appears in both lists is your LCD!
Always check if your answer can be reduced! In this case, cannot be simplified because 23 and 30 share no common factors except 1.
Yes! Use the formula: improper fraction = (whole × denominator) + numerator. For : (2×5)+3 = 13, so it becomes .
Convert back when your improper fraction's numerator is larger than its denominator. Divide: 203÷30 = 6 remainder 23, giving .
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