d. Practice Problems. The answers to these problems are found at the end of
the exercise. Perform the indicated operation:
(1) Add:
(2) Subtract:
(a) 1/2 + 1/6
=_______
(a)
3/7 - 1/21
= _____
(b) 3/4 + 1/2
=_______
(b)
1/20 -1/25
= _____
(c) 3/8 + 1/2
=_______
(c)
1/250 - 1/1000
= _____
(d) 5/6 + 2/5
=_______
(d)
1 - 3/5
= _____
(e) 3/8 + 1/3 + 5/24 =______
(e)
1/25 - 1/75
= _____
(f) 1/2 + 5/8 + 3/4
=______
(f)
1 3/8 - 1/4
= _____
(g) 1/18 + 3/4 + 2/9 =______
(g)
2 3/4 - 1 5/8
= _____
(3) Multiply:
(4) Divide:
(a) 3/5 x 1/6
=_____
(a)
1/8 1/8
=_____
(b) 1/10 x 3/4
=_____
(b)
1/2 1/100
=_____
(c) 2/3 x 5/8
=_____
(c)
1/100 1/150
=_____
(d) 1/2 x 10
=_____
(d)
10 1/120
=_____
(e) 1/1000 x 1/10
=_____
(e)
5/6 25
=_____
(f) 1 1/2 x 3 1/4
=_____
(f)
1/1000 1/4
=_____
(g) 1/2 x1/4
=_____
(g)
7 1/2 15
=_____
e. Answers: The first problem in each section will be worked out. Other
problems will have the answers only.
(1) Add:
(a) 1/2 + 1/6 = 3/6 + 1/6 = 4/6 = 2/3
(b) 1 1/4
(c) 7/8
MD0802
1-14