To convert the fraction to decimal write the numbers in the long division with 3 as the dividend and 8 as the divisor. As 3 cannot be divided by 8 , we can add 0 to 3 to make it 30 and add a decimal point in the quotient. Continue the division, if you get a remainder that is smaller than 8 , you can add 0 to it to make it divisible by 8 . Perform the division till you get the remainder 0 or till the remainder gets repeated.