To convert a fraction to a decimal, divide the numerator of the fraction by the denominator of the fraction. To add a fraction and a decimal, we would need to either convert the fraction to a decimal ...To convert a fraction to a decimal, divide the numerator of the fraction by the denominator of the fraction. To add a fraction and a decimal, we would need to either convert the fraction to a decimal or the decimal to a fraction. To compare a decimal to a fraction, we will first convert the fraction to a decimal and then compare the decimals. A repeating decimal is a decimal in which the last digit or group of digits repeats endlessly.