14 answers
(click or scroll down)
1/5 = 3/15
2/3 = 10/15
10/15 + 3/15 = ?
15/15 - ? = ?
2/3 = 10/15
10/15 + 3/15 = ?
15/15 - ? = ?
13/15
what fraction has she left?
2/15
1/3 = 4/12 -> sleeping
1/4 = 3/12 -> reading
time spent for reading and sleeping
4/12 + 3/12 = 7/12
time spent for sleeping
12/12 - 7/12 = 5/12