MAKING CHANGE
REDUCING FRACTIONS
L.C.M.
PRIME OR COMPOSITE
ROUNDING
100
Cost $2.50 / from $5.00
$2.50
100
10/20
1/2
100
9 and 18
18
100
5
PRIME
100
3.5
4
200
Cost $3.75 / from $5.00
$1.25
200
5/15
1/3
200
6, 8, 12
24
200
14
COMPOSITE
200
4.1
4
300
Cost $3.50 / from $10.00
$6.50
300
25/100
1/4
300
5,6,10
30
300
39
COMPOSITE
300
6.6
7
400
Cost $7.25 / from $20.00
$12.75
400
30/90
1/3
400
12,20
60
400
27
COMPOSITE
400
10.37
10
500
Cost $7.63 / from $15.00
$7.37
500
36/45
4/5
500
7, 8
56
500
51
COMPOSITE
500
15.28
15
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