Tammy and Tina bought a present for their neighbour. They shared the cost equally between them. Tammy used
13 of her savings while Tina used
57 of her savings. What fraction of their total savings was used to buy the present?
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 1 and 5 is 5.
13 of Tammy's savings =
57 of Tina's savings
515 of Tammy's savings =
57 of Tina's savings
| |
Tammy |
Tina |
Total |
| Before |
15 u |
7 u |
22 u |
| Change |
- 5 u |
- 5 u |
- 10 u |
| After |
10 u |
2 u |
12 u |
Amount of savings spent
= 5 u + 5 u
= 10 u
Total amount of savings at first
= 15 u + 7 u
= 22 u
Fraction of their total savings used
=
1022=
511 Answer(s):
511 
