Sabrina and Shannon bought a present for their friend. They shared the cost equally between them. Sabrina used
512 of her savings while Shannon used
12 of her savings. What fraction of their total savings was left?
Each girl shared half the cost of the present. The amount that each of them spent is the same.
Make the numerators the same.
LCM of 5 and 1 is 5.
512 of Sabrina's savings =
12 of Shannon's savings
512 of Sabrina's savings =
510 of Shannon's savings
| |
Sabrina |
Shannon |
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 left
= 7 u + 5 u
= 12 u
Total amount of savings at first
= 12 u + 10 u
= 22 u
Fraction of their total savings left
=
1222=
611 Answer(s):
611 
