What is longmult 42*42 ?

The solution to longmult 42*42 is 1764

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Multiply 42*42

long multiplication

42 \cdot 42

1764

Solution steps

42 \cdot 42

Line up the numbers

\times 4422

Multiply the top number by the bottom number one digit at a time starting with the ones digit (from right to left)

Multiply the top number by the bolded digit of the bottom number

\times 4422

Mutliply the bold numbers:

2 \cdot 2 = 4

\frac{\times 4 4 2 2}{4}

Mutliply the bold numbers:

4 \cdot 2 = 8

\frac{\times 4 4 2 2}{8 4}

Multiply the top number by the bolded digit of the bottom number

\frac{\times 4 4 2 2}{8 4}

Mutliply the bold numbers:

2 \cdot 4 = 8

\frac{\times 4 4 2 2}{8 8 4}

Mutliply the bold numbers:

4 \cdot 4 = 16

Carry

1

to the column on the left and write

6

in the result line

\frac{\times 1 4 4 2 2}{6 8 8 4}

Add the carried digit,

1

, to the result

\frac{\times 1 4 4 2 2}{1 6 8 8 4}

Add the rows to get the answer. For simplicity, fill in trailing zeros

\frac{\times 4 4 2 2}{0 1 0 6 8 8 4 0}

84 + 1680 = 1764

= 1764

\frac{13}{2}

0.77

50 - 14

t h e \frac{60}{75}

20.25