Solve the following exercise and circle the appropriate answer:
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Solve the following exercise and circle the appropriate answer:
Let's solve the exercise in order:
Let's subtract the hundreds after the decimal point
Since we cannot subtract, we'll borrow ten from the tenths after the decimal point and get:
Let's subtract the tenths after the decimal point, remembering that we borrowed ten, therefore:
Since we cannot subtract, we'll borrow ten from the tens digit of the whole number and get:
Finally, let's subtract the whole numbers before the decimal point accordingly.
Since we borrowed ten from the tens digit of the whole number we get:
And we get:
We can ignore the 0 before the 0 and therefore we got the number: 0.74
0.74
\( 2.6:0.1= \)
Aligning decimal points ensures you subtract like place values - hundredths from hundredths, tenths from tenths. Without proper alignment, you'll get completely wrong answers!
When you borrow 1 from the tenths place, you're actually borrowing 10 hundredths. So 3 hundredths becomes 13 hundredths, and the tenths digit decreases by 1.
You need to borrow whenever the top digit is smaller than the bottom digit in any column. Like when you see 3 - 9 or 2 - 5 - you can't subtract a larger number from a smaller one!
Leading zeros can be dropped (like 00.74 becomes 0.74), but zeros within or after the decimal point are important for place value and should be kept when significant.
Always check by adding! Your answer plus the number you subtracted should equal the original number: ✓
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