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To solve this problem, we'll follow these steps:
Now, let's work through each step:
Step 1: Multiply both numbers and by 10 to eliminate the decimal points. This gives us and , respectively.
Step 2: Divide the integers: .
Step 3: Verify: Multiplying the result by should give us , confirming the division is correct.
Therefore, the solution to the problem is .
Solve the following exercise:
You absolutely can! But converting to whole numbers first makes the division easier and reduces calculation errors. Both methods give the same answer.
Count the decimal places in both numbers and use the larger count. Since both 2.4 and 1.2 have 1 decimal place, multiply by 10.
Use the number with more decimal places to decide. If you have 2.45 ÷ 1.2, multiply both by 100 since 2.45 has 2 decimal places.
Yes! This technique works for any decimal division problem. It's especially helpful when you're not allowed to use a calculator.
Ask yourself: "Is 2.4 about twice as big as 1.2?" Since yes, the answer 2 makes perfect sense! Always do this reasonableness check.
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