Write 0.87 as a fraction in simplest form.

Write the decimal number as a fraction

(over 1)

0.87 = 0.87 / 1

Multiplying by 1 to eliminate 2 decimal places

we multiply top and bottom by 2 10's

Numerator (N)

N = 0.87 * 10 * 10 = 87

Denominator (D)

D = 1 * 10 * 10 = 100

N / D = 87 / 100

Simplifying our fraction

= 87/100

= 87/100