PSLE Betty bought some ragi flour and some wheat flour. She used an equal amount of ragi flour and wheat flour. She had
56 of the ragi flour and
79 of the wheat flour left. What fraction of the flour which Betty used?
Ragi flour |
Wheat flour |
Total |
6x2 |
9 |
|
Used |
Left |
Used |
Left |
|
1x2 |
5x2 |
2 |
7 |
|
2 u |
10 u |
2 u |
7 u |
21 u |
The quantity of ragi flour and wheat 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 + 212 + 9 =
421Answer(s):
421