Add 3 or more fractions

1 Completetheadditions.

Usethebarmodelstohelpyou.

a)

12

+ 14

+ 112

=

b)

12

+ 13

+ 112

=

c)

23

+ 16

+ 112

=

d)

13

+ 14

+ 16

=

2 Completetheadditions.

a) 15

+ 310

+ 720

= d)3

16+ 1

2+ 1

4=

b) 1

16+ 5

32+ 3

8= e)

12

+ 518

+ 19

=

c) 14

+ 524

+ 512

= f)15

+ 835

+ 27

=

Explainhowcommonmultipleshelpwhenaddingthefractions.

3 Rosiehasavegetablepatch.

29ofthepatchcontainscarrots.

5

18ofthepatchcontainspotatoes.

13ofthepatchcontainsonions.

Whatfractionofthepatchcontainscarrots,potatoesoronions?

ofthepatchcontainscarrots,potatoesoronions.

©WhiteRoseMaths2019

©WhiteRoseMaths2019

4 Completethepart-wholemodels.

a)

b)

c)

d) Whichoneofthepart-wholemodelsistheoddoneout?

Istheremorethanoneanswer?

Explainhowyouknow.

5 Fillinthemissingnumerators.

a) 18

+16

+ 38

=58

d) 18

+16

+ 14

=34

b) 18

+16

+ 38

=78

e) 18

+ 116

+16

=34

c) 14

+16

+ 38

=34

f) 14

+ 116

+16

=34

6 Completethenumbersquare.

Thetotalofeachcolumnis45

Thetotalofeachrowis45

310

25

110

720

Createyourownproblemlikethisforapartner.

14

38

516

12

18

516

34

18

116