PSLE Tiffany bought some corn flour and some glutinous rice flour. She used an equal amount of corn flour and glutinous rice flour. She had
23 of the corn flour and
79 of the glutinous rice flour left. What fraction of the flour which Tiffany used?
Corn flour |
Glutinous rice flour |
Total |
3x2 |
9 |
|
Used |
Left |
Used |
Left |
|
1x2 |
2x2 |
2 |
7 |
|
2 u |
4 u |
2 u |
7 u |
15 u |
The quantity of corn flour and glutinous rice 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 + 26 + 9 =
415Answer(s):
415