This math topic involves practicing fraction addition by finding the lowest common denominator (LCD). Students are presented with various pairs of fractions and are required to determine the appropriate LCD to successfully add them together. There are multiple choice answers provided for each problem, where students must select the correct LCD from the options. This basic exercise is part of an introductory unit on fraction addition and subtraction, aimed at developing foundational skills in handling fractions.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
moreComplete these online problems with 80% or 4 correct answers in a row. Results are immediate.
What lowest common denominator would you use to add these fractions?
Earned ?
Math worksheet on 'Fraction Addition - Find Common Denominator - Basic - One Changed Denominator (Level 2)'. Part of a broader unit on 'Fraction Addition and Subtraction - Intro' Learn online: app.mobius.academy/math/units/fractions_addition_and_subtraction_intro/ |
What lowest common denominator would you use to add these fractions? |
14 |
9 |
12 |
21 |
22 |
8 |
What lowest common denominator would you use to add these fractions? |
16 |
19 |
8 |
14 |
15 |
11 |
What lowest common denominator would you use to add these fractions? |
2 |
6 |
11 |
5 |
1 |
3 |
What lowest common denominator would you use to add these fractions? |
12 |
8 |
14 |
17 |
15 |
18 |
What lowest common denominator would you use to add these fractions? |
10 |
3 |
12 |
14 |
13 |
6 |
What lowest common denominator would you use to add these fractions? |
17 |
10 |
6 |
11 |
4 |
18 |
What lowest common denominator would you use to add these fractions? |
13 |
21 |
23 |
9 |
6 |
14 |