General Rules
Will the answer be positive or negative:
8.4 x 1/4
(+) or positive
-4.0 x (-6.0)
24
9/10 * (-2/3)
-3/5
0.35 / (-7)
-0.05
-5/6-: 1/6
-5
Will the answer be positive or negative:
-9.75 / 0.25
negative
-0.9 x 4
-3.6
-5/8 * (-4/15)
1/6
-12.25 / (-5)
2.45
-4/11-: -2/7
14/11 or 1 3/11
Tell whether the expression is positive or negative without evaluating.
-3/10 * (-8/15)
positive
-7.2 x 0.1
-0.72
-2 3/8*(-1 3/5)
19/5 or 3 4/5
72.3 / (-0.3)
-241
9/10-:(-1 1/5)
-3/4
How is multiplying negative decimals and fractions similar to multiplying negative integers?
The same rules for signs of integers are applied to fractions and decimals.
-9.25 x 0.3
-2.775
-12 * 5/8
-15/2 or -7 1/2
-67.56 / 1.2
-56.3
-4 1/6-:1 1/3
-3 1/8 or -25/8
Tell whether the expression is positive or negative without evaluating.
-6/5-:(-1/2)*6.3
Positive
-0.06 x (-0.05)
0.003
-3/5 * 2 2/7
-48/35 or -1 13/35
Nellie went to the hardware store bought 197.64 meters of yellow rope. She planned to cut the rope into equal pieces measuring 1.2 meters How many pieces can she cut?
164 pieces; 164.7
-1/8-: 6 1/10
-5/244