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Evaluate the expression: 2/5 ÷ 1 1/3 × 1 2/3

Mathematics

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Answer

12\frac{1}{2}

Step-by-step solution

5 steps

Here is the solution to the problem:

25÷113×123\frac{2}{5} \div 1\frac{1}{3} \times 1\frac{2}{3}

  1. Convert the mixed numbers to improper fractions.

    113=1×3+13=431\frac{1}{3} = \frac{1 \times 3 + 1}{3} = \frac{4}{3} 123=1×3+23=531\frac{2}{3} = \frac{1 \times 3 + 2}{3} = \frac{5}{3}
  2. Rewrite the expression with improper fractions.

    25÷43×53\frac{2}{5} \div \frac{4}{3} \times \frac{5}{3}
  3. Perform the division first (from left to right).

    To divide by a fraction, multiply by its reciprocal.

    25×34×53\frac{2}{5} \times \frac{3}{4} \times \frac{5}{3}
  4. Perform the multiplication.

    2×3×55×4×3=3060\frac{2 \times 3 \times 5}{5 \times 4 \times 3} = \frac{30}{60}
  5. Simplify the fraction.

    3060=12\frac{30}{60} = \frac{1}{2}

    The final answer is 12\frac{1}{2}.

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