Marion and Diana bought a souvenir for their father. They shared the cost equally between them. Marion used
512 of her savings while Diana used
12 of her savings. What fraction of their total savings was used to buy the souvenir?
Each girl shared half the cost of the souvenir. The amount that each of them spent is the same.
Make the numerators the same. LCM of 5 and 1 is 5.
512 of Marion's savings =
12 of Diana's savings
512 of Marion's savings =
510 of Diana's savings
| |
Marion |
Diana |
Total |
| Before |
12 u |
10 u |
22 u |
| Change |
- 5 u |
- 5 u |
- 10 u |
| After |
7 u |
5 u |
12 u |
Amount of savings spent
= 5 u + 5 u
= 10 u
Total amount of savings at first
= 12 u + 10 u
= 22 u
Fraction of their total savings used
=
1022=
511 Answer(s):
511 
