(Get it? ratio-nal.) And ratios are the same thing as fractions. So: It’s also the case that any finite decimal number, no matter how long, can be expressed as the ratio of two integers.
When you're multiplying fractions by an integer (or a whole number) you multiply the numerator of the fraction by the whole number, whilst the denominator of the fraction stays the same.
Using a number line to show fractions can be a very helpful way to represent how a whole is divided equally into parts. Remember, the denominator shows us how many parts there are in total and the ...