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# GCF and LCM Worksheets

GCF and LCM Worksheets
• Page 1
1.
Find the GCF of 44 and 48.
 a. 2,112 b. 5 c. 4 d. 528

Correct answer : (3)
2.
Find the GCF of 25 and 30.
 a. 5 b. 7 c. 4 d. 6

Correct answer : (1)
3.
Find the GCF of 24 and 21.
 a. 2 b. 5 c. 3 d. 4

Correct answer : (3)
4.
Find the GCF of 42 and 39.
 a. 4 b. 3 c. 5 d. 2

Correct answer : (2)
5.
Find the value of - $\frac{2}{3}$ + $\frac{5}{6}$.
 a. $\frac{1}{6}$ b. $\frac{4}{9}$ c. $\frac{2}{7}$ d. $1\frac{1}{6}$

Correct answer : (1)
6.
Find the sum of the fractions $\frac{1}{3}$ and $\frac{2}{5}$ .
 a. $\frac{\mathrm{13}}{\mathrm{17}}$ b. $\frac{\mathrm{11}}{\mathrm{15}}$ c. $\frac{2}{\mathrm{15}}$ d. $\frac{3}{8}$

Correct answer : (2)
7.
Find the LCM of 3 and 24.
 a. 24 b. 18 c. 8 d. 48

Correct answer : (1)
8.
Find the LCM of 18 and 10.
 a. 90 b. 70 c. 56 d. 80

Correct answer : (1)
9.
Find the LCM of 45 and 36.
 a. 360 b. 180 c. 190 d. 175

Correct answer : (2)
10.
Find the GCF of 22 and 24.
 a. 528 b. 264 c. 2 d. 3