Upload
caitlinlouiseevans
View
206
Download
0
Embed Size (px)
Citation preview
14
24
+
Read this sum out loud.
Do these fractions have the samedenominator?
14
24
+
The fractions have the same
denominatorquarters
14
24
+ =??
14
24
+
One quarter plus two quartersequals three quarters.
quarters
34
=
38
28
+
Read this sum out loud.
Do these fractions have the samedenominator?
38
28
+
The fractions have the same
denominatoreighths
38
28
+ =??
38
28
+
Three eighths plus two eighthsequals five eighths.
eighths
58
=
47
27
+
Four sevenths plus two sevenths equals six fourteenths.
614
Is this correct ?Who can explain why it’s wrong ?
=
47
27
+
It’s wrong because sevenths arebeing added.
614
So the answer must bein sevenths.
47
27
+ =??
47
27
=
Four sevenths plus two seventhsequals six sevenths.
67
The answer must be insevenths because the denominatorstays the same!
+
Now it’s time for you to try some.You can discuss these with a friend.
Thinking time starts now !
36
16
29
59
47
17
48
38
??
??
??
??
+
+
+
+
=
=
=
=
The answers.How did you do?
36
16
29
59
47
17
48
38
46
57
79
78
+
+
+
+
=
=
=
=