In adding and subtracting fractions with unlike denominators, you have to get a least common denominator which is exactly like the least common multiple it just so happens to be in the denominator.

I hope today's lesson helped you better understand fractions that have different denominators. Have a great rest of the day. I would love it if you would spend some time today practicing, adding ...

When adding or subtracting fractions, you need to look at the denominator. If the denominator is the same, then you can just add or subtract the numerator. If the denominator is different, then ...

Another sticking point for many students is adding fractions with different denominators—for example, coming up with 11/12 when asked to add 3/5 and 8/7.

Fractions are an important building block in students’ mathematical foundations—and notoriously difficult to master. Making Sense of Fractions: This Tactic Helped Students Grasp a Key Math Topic ...