Math Problem Statement

9 3/5 - 4 3/10

Solution

To solve 93543109 \frac{3}{5} - 4 \frac{3}{10}, follow these steps:

Step 1: Convert the mixed numbers to improper fractions.

  • 935=4859 \frac{3}{5} = \frac{48}{5} 935=(9×5+3)/5=45+35=4859 \frac{3}{5} = (9 \times 5 + 3)/5 = \frac{45 + 3}{5} = \frac{48}{5}
  • 4310=43104 \frac{3}{10} = \frac{43}{10} 4310=(4×10+3)/10=40+310=43104 \frac{3}{10} = (4 \times 10 + 3)/10 = \frac{40 + 3}{10} = \frac{43}{10}

Step 2: Find a common denominator.

The least common denominator (LCD) of 5 and 10 is 10.

  • Convert 485\frac{48}{5} to have a denominator of 10: 485=9610\frac{48}{5} = \frac{96}{10}

Step 3: Subtract the fractions.

96104310=964310=5310\frac{96}{10} - \frac{43}{10} = \frac{96 - 43}{10} = \frac{53}{10}

Step 4: Convert the result back to a mixed number.

5310=5310\frac{53}{10} = 5 \frac{3}{10}

Final Answer:

9354310=53109 \frac{3}{5} - 4 \frac{3}{10} = 5 \frac{3}{10}.

Would you like more details, or do you have any questions?


Here are 5 related questions to expand on this:

  1. How do you add mixed numbers?
  2. What are the steps to convert an improper fraction to a mixed number?
  3. How do you find the least common denominator between two fractions?
  4. Can you solve 714+3257 \frac{1}{4} + 3 \frac{2}{5}?
  5. What happens when subtracting mixed numbers with different denominators?

Tip: Always find the least common denominator before subtracting or adding fractions!

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Math Problem Analysis

Mathematical Concepts

Fractions
Mixed Numbers
Subtraction of Fractions
Common Denominator

Formulas

Mixed number to improper fraction: a b/c = (a*c + b)/c
Subtracting fractions: a/b - c/b = (a - c)/b
Least common denominator (LCD)

Theorems

Subtraction of fractions using a common denominator

Suitable Grade Level

Grades 5-7