Fractions × and ÷: cancel first — Speed Calculation
Multiplying fractions and then simplifying a big answer is slow. Cancel first: any top number and any bottom number that share a factor can both be divided by it. The numbers stay tiny and the answer comes out already in lowest terms. To divide, flip the second fraction and multiply.
Work it out in your head or on paper, then tap your answer — or type it and press Check. Stuck? Press “Show me how”.
Right: 0 · Tried: 0
🏁 Lesson 24 test
20 questions. Check each answer, then go to the next one. Get 16 or more right to pass — and beat the clock: finish within 4 min.
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✂️ Cancel Captain badge when you pass — and a certificate when you finish all 10 lessons of
Part 4 · Speed decimals, fractions and percentages. You can still take the test without signing in.
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