PSLE Lynn bought some corn flour and some cake flour. She used an equal amount of corn flour and cake flour. She had
45 of the corn flour and
57 of the cake flour left. What fraction of the flour which Lynn used?
Corn 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 corn 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