Operations with Integers
-13+20=
7
Find the Greatest Common Factor
16 and 48
16
1/5
2/10, 3/15, 4/20 . . .
2/6 + 5/6
7/6 or 1 1/6
3.5 + 38.9
42.4
(-15)-(-10)=
-5
Find the GCF
144 and 64
16
2/4
4/8, 6/12, 8/16. . .
4/7 + 2/5
34/35
35.88 - 20.17
15.71
6 * 5=
30
Find the LCM
4 and 9
36
3/8
6/16, 9/24, 12/32. . .
1/4 x 2/5
2/10 or 1/10
-6.7 x 11.25
75.375
42 / (-7)=
-6
Find the LCM
10 and 12
60
5/20
10/40, 15/60, 20/80. . .
-72/75
8.15/5
1.63
(-45) / (-9)=
5
Find the GCF
120 and 24
24
10/30
20/60, 30/90, 40/120. . .
6/9 / 1/3
18/9 or 2
1.35/1.01
1.3366 (repeating)