<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />

# Sums of Fractions with Different Denominators

## Adding equivalent fractions with LCD

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Video

## Adding and Subtracting Fractions with Unlike Denominators using LCM - Example 1

by CK-12 //basic

Find Least Common Denominator

0
• Video

## Example 1: Adding Fractions with Different Denominators

by CK-12 //basic

Provides two examples of how to add fractions with different denominators.

1
• Video

## Adding and Subtracting Fractions with Unlike Denominators using LCM - Example 2

by CK-12 //basic

Add fractions with unlike denominators

0
• Video

## Example 2: Adding Fractions with Unlike Denominators

by CK-12 //basic

Provides two examples of how to add fractions with different denominators.

1
• Video

## Adding and Subtracting Fractions with Unlike Denominators using LCM - Example 3

by CK-12 //basic

Subtract fractions with unlike denominators

0
• Video

## Adding and Subtracting Fractions with Unlike Denominators using LCM - Example 4

by CK-12 //basic

Add and subtract fractions with unlike denominators

0
• Video

## Adding and Subtracting Fractions with Unlike Denominators using LCM - Example 5

by CK-12 //basic

Add and subtract fractions with unlike denominators: word problems

0
• Video

## Adding and Subtracting Fractions with Unlike Denominators using LCM - Example 6

by CK-12 //basic

Add and subtract fractions with unlike denominators in 3 numbers

0
• Video

## Adding and Subtracting Fractions with Unlike Denominators using LCM - Example 7

by CK-12 //basic

Inequalities (Less than and Greater than) with addition and subtraction of like and unlike fractions

0
Please wait...
Please wait...