PSLE Cathy bought some all purpose flour and some cake flour. She used an equal amount of all purpose flour and cake flour. She had
45 of the all purpose flour and
57 of the cake flour left. What fraction of the flour which Cathy used?
All purpose flour |
Cake flour |
Total |
5x2 |
7 |
|
Used |
Left |
Used |
Left |
|
1x2 |
4x2 |
2 |
5 |
|
2 u |
8 u |
2 u |
5 u |
17 u |
The quantity of all purpose flour and cake flour used is the same. Make these 2 quantities the same. LCM of 1 and 2 is 2.
Fraction of the flour bought that was used
=
2 + 210 + 7 =
417Answer(s):
417