Addition of Unlike Fractions Math Worksheets

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Definition

Fractions are numbers that represent equal parts of a collection or a whole. There are two parts of fractions which are the numerator and the denominator. Two types of fractions are called like fractions and unlike fractions.

Like fractions are fractions sharing the same denominator, while unlike fractions have different denominators.

Summary

STEPS IN ADDING UNLIKE FRACTIONS

Step 1: Identify the Least Common Denominator (LCD) of the addends.
Step 2: Change the fractions to make their denominators the same with the LCD.
Step 3: Now that the fractions have the same denominator, you may now proceed to adding them. Simplify the fractions as necessary.

HOW TO FIND THE LCD?

List down all the multiples of the denominator and find the least common multiple (LCM).

Example: (3 x 5 = 15 | 5 x 3 = 15)

3 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
5 = 5, 10, 15, 20, 25, 30, 35, 40, 45, 50

Multiply the whole fraction with the multiplier that will make the denominator the same form as the LCM.

Addition of Unlike Fractions (Carnival Themed) Worksheets

This is a fantastic bundle which includes everything you need to know about Addition of Unlike Fractions across 21 in-depth pages.

Each ready to use worksheet collection includes 10 activities and an answer guide. Not teaching common core standards? Don’t worry! All our worksheets are completely editable so can be tailored for your curriculum and target audience.