What is 1234567890-0987654321?

What is 1234567890-0987654321?

The result of subtracting 0987654321 from 1234567890 is 247913569.

Subtracting Large Numbers

Subtracting large numbers with many digits can seem daunting, but breaking it down step-by-step makes it manageable. Let’s examine subtracting the 10-digit numbers 123,456,7890 and 98,765,4321 carefully:

Lining up the Digits

Start by writing the numbers vertically, lining up the digits by place value:

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1 2 3 4 5 6 7 8 9 0 - 9 8 7 6 5 4 3 2 1

It helps to tidy up the columns before subtracting.

Subtracting Column-by-Column

Start subtracting from the ones column on the right, working left:

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1 2 3 4 5 6 7 8 9 0 - 9 8 7 6 5 4 3 2 1 -------------------------- 2 4 6 8 9 3 5 6 8 9

Take care to borrow from the next column when needed. Double check the subtraction in each column.

Leading Zeroes

The leading zeroes can be dropped for the final result:

1234567890

• 987654321

---

2468963569

Therefore, when subtracting the two 10-digit numbers:

1234567890

• 987654321 = 2468963569

Checking with a Calculator

We can verify the result by entering the full subtraction into a calculator, which will produce the same difference. Getting the matching solution confirms the multi-digit vertical subtraction was performed accurately.

Patience and care when lining up the digits and subtracting each column avoids mistakes. Taking large subtractions step-by-step develops proficiency with arithmetic operations.

In summary, when subtracting large numbers, be sure to align the digits properly by place value and work through subtracting one column at a time from right to left.