PSLE Betty bought some ragi flour and some glutinous rice flour. She used an equal amount of ragi flour and glutinous rice flour. She had
23 of the ragi flour and
79 of the glutinous rice flour left. What fraction of the flour which Betty used?
Ragi 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 ragi 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