PSLE Irene bought some all purpose flour and some plain flour. She used an equal amount of all purpose flour and plain flour. She had
45 of the all purpose flour and
79 of the plain flour left. What fraction of the flour which Irene used?
All purpose flour |
Plain flour |
Total |
5x2 |
9 |
|
Used |
Left |
Used |
Left |
|
1x2 |
4x2 |
2 |
7 |
|
2 u |
8 u |
2 u |
7 u |
19 u |
The quantity of all purpose flour and plain 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 + 9 =
419Answer(s):
419