The fractions that need to be compared are different. The best case is when the fractions have the same denominators, but different numerators. In this case, the following rule applies:
Of two fractions with the same denominators, the one with the larger numerator is larger. The fraction with the smaller numerator is smaller.
For example, compare fractions 
and 
and answer which of these fractions is larger. The denominators are the same, but the numerators are different. Fraction has a larger numerator than fraction . It means that is larger than . That's how we answer. Answer with the bigger sign (>).
This example can be easily understood if you think of pizzas that are divided into four parts. A pizza is bigger than a pizza:
Everyone would agree that the first pizza is bigger than the second.
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