What is longsub 144-72 ?

The solution to longsub 144-72 is 72

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144-72

long subtraction

144 - 72

72

Solution steps

144 - 72

Line up the numbers

- 104742

Subtract each column of digits, starting from the right and working left

If the digit being subtracted is larger than the digit above it, 'borrow' a digit from the next column to the left.

In the bolded column, subtract the second digit from the first:

4 - 2 = 2

\frac{- 1 0 4 7 4 2}{+ 2}

In the bolded column, subtract the second digit from the first

\frac{- 1 0 4 7 4 2}{+ 2}

The bottom number is larger than the upper number. Try to'borrow' a digit from the left.

Borrow

1

from

1

. The remainder is

0

\frac{- 0 1 0 10 4 7 4 2}{+ 2}

Add

1

ten to

4

10 + 4 = 14

\frac{- 0 1 0 14 4 7 4 2}{+ 2}

In the bolded column, subtract the second digit from the first:

14 - 7 = 7

\frac{- 0 1 0 14 4 7 4 2}{+ 7 2}

In the bolded column, subtract the second digit from the first:

0 - 0 = 0

\frac{- 0 1 0 14 4 7 4 2}{+ 0 7 2}

= 72

(3/5) /30

45 - 36

\frac{1.2}{2}

0.88

(1/2) /2