PSLE Fred kept files in boxes M and N. Box M contained twice as many files as box N. In box M,
15 of the files were orange files. In box N,
13 of the files were orange files. What fraction of Fred's files were orange files?
Box M |
Box N |
Total |
2x3x5 |
1x3x5 |
3x3x5 |
O |
Not orange |
O |
Not orange |
|
1x6 |
4x6 |
1x1x5 |
2x1x5 |
|
6 u |
24 u |
5 u |
10 u |
45 u |
LCM of 5 and 6 is 30.
Number of orange files
= 6 u + 5 u
= 11 u
Total number of files = 45 u
Fraction of Fred's files that were orange =
1145 Answer(s):
1145