Page 1 of 2
Ch.4sec5
Chapter4section5
Multiply,DividedMixedFractions
Properfraction:fractionwhosenumeratorissmallerthanitsdenominator.
Improperfraction:fractionwhosenumeratorislargerthanitsdenominator:
Identifytheproperandimproperfraction
2
4
23
233
− −
3
3
39
103
MixedFraction:Wholenumberandfraction
2
2
5 5+ 3
3
ChangeMixedFractiontoImproperFraction
7
4 8
7
4+ 8
4 i8 7
+ 8 8
4 i8 + 7
8
39
8
Quickway
Multiply
Changetoimproperfraction
3
3
4 −2 4
5
ChangeImproperFractiontoMixedFraction
27
5
25 2
+ 5 5
2
5+ 5
Redwood2nd
Page 2 of 2
Ch.4sec5
Redwood2nd
2
5 5
Summustbewholenumberandsecondfractionisproper.
QuickWay
Dividethenumeratorbythedenominator.Quotientwillbethewholenumberpart.
37
8
8 37 Changetoamixednumber
43
35
− 5
6
Multiply,DivideMixedFractions
Changeallmixedfractionstoimproperfractionthe
1 4
4 3
4 2
−2 i2 4 ÷5 −2 i3 12 5
5 5
9 3
⎛ 1⎞ ⎛ 1⎞
⎜⎝ −1 6 ⎟⎠ ÷ ⎜⎝ 1 8 ⎟⎠