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Daniel Math Academy · Grade 6 Math

Least Common Denominator

Skill I.2 · Fractions & decimals · ★★☆ Medium · Quarter 2

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Find the least common denominator (LCD).

1. 1
   $\frac{3}{10}$, $\frac{2}{3}$, and $\frac{1}{4}$ 
2. 2
   $\frac{5}{6}$, $\frac{1}{3}$, and $\frac{4}{9}$ 
3. 3
   $\frac{3}{5}$, $\frac{3}{10}$, and $\frac{5}{6}$ 
4. 4
   $\frac{1}{10}$, $\frac{3}{4}$, and $\frac{11}{12}$ 
5. 5
   $\frac{1}{2}$, $\frac{1}{4}$, and $\frac{1}{10}$ 
6. 6
   $\frac{3}{5}$, $\frac{1}{6}$, and $\frac{1}{2}$ 
7. 7
   $\frac{7}{9}$, $\frac{1}{3}$, and $\frac{2}{5}$ 
8. 8
   $\frac{7}{12}$, $\frac{7}{9}$, and $\frac{3}{10}$ 
9. 9
   $\frac{5}{6}$, $\frac{3}{10}$, and $\frac{1}{2}$ 
10. 10
    $\frac{7}{12}$, $\frac{1}{2}$, and $\frac{5}{8}$ 
11. 11
    $\frac{1}{4}$, $\frac{2}{9}$, and $\frac{1}{2}$ 
12. 12
    $\frac{3}{5}$, $\frac{1}{6}$, and $\frac{3}{10}$ 
13. 13
    $\frac{1}{12}$, $\frac{3}{10}$, and $\frac{7}{8}$ 
14. 14
    $\frac{1}{2}$, $\frac{2}{9}$, and $\frac{1}{4}$ 

Daniel Math Academy · Grade 6 Math

Answer Key

I.2 Least Common Denominator · ★★☆ Medium

1. 160
2. 218
3. 330
4. 460
5. 520
6. 630
7. 745
8. 8180
9. 930
10. 1024
11. 1136
12. 1230
13. 13120
14. 1436