LCM & Fractions

LCM

100

Find the least common multiply (LCM)

6 and 9

18

200

Find the least common multiply (LCM)

4 and 20

20

300

Find the least common multiply (LCM)

21 and 28

84

400

Find the least common multiply (LCM)

2, 3, 5

30

500

Find the least common multiply (LCM)

7, 14, 21

42

Adding/Subtracting Fractions

100

Add the fractions. Write the answer in simplest form.

2/12+2/4

2/3

200

Add the fractions. Write the answer in simplest form.

1/4+6/8

1

300

Add the fractions. Write the answer in simplest form.

1/8+1/2

5/8

400

Subtract the fractions. Write the answer in simplest form.

5/7-2/3

1/21

500

Subtract the fractions. Write the answer in simplest form.

4/6-4/8

1/6

Subtracting Mixed Numbers

100

Subtract the mixed numbers. Write the answer in simplest form.

3frac{3}{4}-1frac{1}{4}

2frac{1}{2}

200

Subtract the mixed numbers. Write the answer in simplest form.

18frac{1}{2}-17frac{2}{8}

1frac{1}{4}

300

Subtract the mixed numbers. Write the answer in simplest form.

8frac{1}{24}

8frac{1}{24}

400

Subtract the mixed numbers. Write the answer in simplest form.

7frac(5}{12}-2frac{1}{2}

4frac{11}{12}

500

Subtract the mixed numbers. Write the answer in simplest form.

16frac{3}{9}-10frac{2}{5}

5frac{14}{15}

Solving Fraction Equation

100

Solve the equation. Write the solution in simplest form.

x+2frac{1}{2}=6

x=3frac{1}{2}

200

Solve the equation. Write the solution in simplest form.

x-2frac{3}{4]=5

x=7frac{3}{4}

300

Solve the equation. Write the solution in simplest form.

x+2frac{1}{8}=4frac{1}{2}

x=2frac{3}{8}

400

Solve the equation. Write the solution in simplest form.

x+4/5=1frac{7}{10}

x=9/10

500

Solve the equation. Write the solution in simplest form.

x-1/8=1frac{1}{4}

1frac{3}{8}