Subtracting Mixed Numbers
12 7/8 - 5 5/16
7 9/16
4 1/2 x 2 3/4
12 3/8
4/5 ÷ 2/3
1 1/5
a = 1/2, x = 4, y = -2
4(a - 1)
-2
x = 1/3, y = 4, z = 6
8(y + 2)
48
2 3/4 - 2 5/12
1/3
3 1/3 x 5 3/10
18 13/30
1/3 ÷ 4/5
5/12
a = 1/2, x = 4, y = -2
4a - 3y
8
x = 1/3, y = 4, z = 6
(3x + 2) - 1
2
10 2/3 - 9 2/9
1 4/9
6 2/5 x 3 5/6
24 16/30
4/5 ÷ 1/2
1 3/5
a = 1/2, x = 4, y = -2
x(a + 6)
26
x = 1/3, y = 4, z = 6
zx + y
6
8 5/10 - 7 5/12
1 1/12
5 2/3 x 1 1/6
6 11/18
8/10 ÷ 4/5
1
a = 1/2, x = 4, y = -2
6a(8a + 4y)
-12
x = 1/3, y = 4, z = 6
xyz
8
5 5/6 - 5 5/12
5/12
2 3/4 x 4 1/6
11 11/24
5/8 ÷ 1/2
1 1/4
a = 1/2, x = 4, y = -2
ay + y - 5ax
-13
x = 1/3, y = 4, z = 6
z2 + y
40