It's easy to add and subtract fractions when the numbers on the bottom are the same. These are called the denominators. You can use equivalent fractions to make them the same. A common multiple of ...

It's easy to add and subtract fractions when the numbers on the bottom are the same. These are called the denominators. You can use equivalent fractions to make them the same. A common multiple of ...

You could say Sydni Franklin's sixth grade math class at Danville Middle School is learning fractions the hard way — well, ...