What is longmult 28*28 ?

The solution to longmult 28*28 is 784

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Multiply 28*28

long multiplication

28 \cdot 28

784

Solution steps

28 \cdot 28

Line up the numbers

\times 2288

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 2288

Mutliply the bold numbers:

8 \cdot 8 = 64

Carry

6

to the column on the left and write

4

in the result line

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

Add the carried number to the multiplication:

6 + 2 \cdot 8 = 22

Carry

2

to the column on the left and write

2

in the result line

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

Add the carried digit,

2

, to the result

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

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

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

Mutliply the bold numbers:

8 \cdot 2 = 16

Carry

1

to the column on the left and write

6

in the result line

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

Add the carried number to the multiplication:

1 + 2 \cdot 2 = 5

\frac{\times 1 2 2 8 8}{2 5 2 6 4}

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

\frac{\times 2 2 8 8}{2 5 2 6 4 0}

224 + 560 = 784

= 784

(2/9) / (5/12)

1 \frac{2}{4}

\frac{170}{20}

\frac{36}{16}

t h e \frac{50}{80}