PSLE Kathy bought some plain flour and some glutinous rice flour. She used an equal amount of plain flour and glutinous rice flour. She had
45 of the plain flour and
58 of the glutinous rice flour left. What fraction of the flour which Kathy used?
Plain flour |
Glutinous rice flour |
Total |
5x3 |
8 |
|
Used |
Left |
Used |
Left |
|
1x3 |
4x3 |
3 |
5 |
|
3 u |
12 u |
3 u |
5 u |
23 u |
The quantity of plain flour and glutinous rice flour used is the same. Make these 2 quantities the same. LCM of 1 and 3 is 3.
Fraction of the flour bought that was used
=
3 + 315 + 8 =
623Answer(s):
623